{"title":"电子管放大器","description":"\u003cspan\u003e满$109立减$10 优惠码：DOUK10\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e满$159立减$16 优惠码：DOUK16\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e满$229立减$25 优惠码：DOUK25\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e满$299立减$35 优惠码：DOUK35\u003c\/span\u003e","products":[{"product_id":"douk-audio-st-01-hifi-bluetooth-5-0-tube-amplifier-usb-dac-coax-opt-digital-audio-amp-w-vu-meter","title":"Douk Audio ST-01 PRO HiFi 蓝牙 5.0 电子管放大器 USB DAC 同轴\/光纤数字音频放大器带音量表","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\n\u003cdiv class=\"celwidget aplus-module module-4 aplus-standard\" data-csa-c-id=\"a9gpjw-tpg7yn-1xyrn2-rfu333\" data-cel-widget=\"aplus-module-4\"\u003e\n\n\u003cdiv data-a-expander-name=\"aplus-module-expander\" data-a-expander-collapsed-height=\"700\" class=\"a-expander-collapsed-height a-row a-expander-container a-expander-partial-collapse-container\"\u003e\n\n\u003cdiv aria-expanded=\"false\" class=\"a-expander-content a-expander-partial-collapse-content\"\u003e\n\n\u003cdiv class=\"aplus-module-wrapper apm-fixed-width\"\u003e\n\n\u003cdiv class=\"apm-spacing\"\u003e\n\n\u003cdiv class=\"apm-floatleft apm-fixed-width\"\u003e\n\n\u003cdiv class=\"apm-spacing\"\u003e\n\n\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv\u003e\n\n\u003cp style=\"text-align: left;\"\u003e\u003cstrong\u003e\u003cspan\u003e温馨提示：\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"text-align: left;\"\u003e \u003cstrong\u003e\u003cspan\u003eST-01 PRO除了保留原有所有功能外，是ST-01的最新升级版本：\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003e\u003cspan\u003e1.ST-01 PRO支持U盘输入播放无损格式音乐。\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003e\u003cspan\u003e2.底部增加VU表灵敏度调节，方便设置，更好地匹配不同的输入信号。\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003e\u003cspan\u003e3. 在电子管和音量表周围增加了三个装饰性的金色圆圈，看起来更加精致和豪华。\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003cp style=\"text-align: left;\"\u003e\u003cspan\u003e特征\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cul style=\"text-align: left;\"\u003e\n\n \u003cli\u003e\u003cspan\u003e独特而神奇的组合：将ST-01 PRO功放与VU表集成在如此迷你的尺寸中，在欣赏HiFi音乐时，指针在温暖的灯光下跳动，具有浓郁的复古感，动感地装点着音响系统空间。\u003c\/span\u003e\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cul style=\"text-align: left;\"\u003e\n\n\u003cli\u003e \u003cspan\u003eHiFi 清晰音质，音调控制：电路合理，走线简洁，采用真空管柔化音色，滤除数码感，音质温暖甜美，无杂音。另配有高低音旋钮，可根据个人喜好调节音色，呈现高音激昂、低音深沉的 HiFi 音乐。\u003c\/span\u003e\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cul style=\"text-align: left;\"\u003e\n\n\u003cli\u003e\u003cspan\u003e强大的输出功率和特殊的 AUX 输出：使用 TI 经典功率放大器 IC，每个通道可输出 100W（4Ω）并轻松驱动所有 3-8Ω 无源扬声器，增加 3.5 毫米 AUX 输出可轻松连接另一个放大器或有源扬声器\/低音炮以构建多声道系统并享受美妙的家庭影院体验。\u003c\/span\u003e\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cul style=\"text-align: left;\"\u003e\n\n \u003cli\u003e\u003cspan\u003e具有多种数字音频输入：蓝牙 5.0 \/ USB \/ 同轴 \/ 光纤 \/ 立体声 RCA，兼容大多数音频设备，如手机、电脑、平板电脑、电视、电视、CD 播放器等。DAC 和放大器的完美结合，非常适合拥有各种音频设备的发烧友。\u003c\/span\u003e\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cul style=\"text-align: left;\"\u003e\n\n\u003cli\u003e\u003cspan\u003e实用功能简化使用：配备全功能遥控器，所有设置均可远程实现；具有输入选择和指示灯，清晰显示实时工作状态；铝合金外壳经过特殊设计，酷炫独特，可装点您的桌面空间。\u003c\/span\u003e\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003c\/div\u003e\n\n\u003chr\u003e\n\n\u003cp style=\"text-align: left;\"\u003e\u003cspan\u003e温馨提示：\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"text-align: left;\"\u003e \u003cspan\u003e1.PC-USB输入也支持带OTG功能的手机，但安卓系统需要OTG线，IOS系统需要相机套件，请自行准备。\u003c\/span\u003e\u003cbr\u003e \u003cspan\u003e2.可插拔电子管座，默认6K4真空管，可更换6J1、6J2、6J3、6J4、6J5、6\"1N、6*4N、6*5N、5654\/5654W、5725、6AK5、EF95、6BA6、403B等。\u003c\/span\u003e\u003c\/p\u003e\n\n \u003cp style=\"text-align: left;\"\u003e3.音量调到最小时，BT\/(USB)指示灯闪烁；音量调到最大时，PC-USB指示灯闪烁；此时当前输入通道指示灯熄灭，停止调节时亮起。\u003c\/p\u003e\n\n\u003cdiv\u003e\n\n\u003chr\u003e\n\n\u003cp style=\"text-align: left;\"\u003e\u003cspan\u003e参数\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cul style=\"text-align: left;\"\u003e\n\n\u003cli\u003e\n\n\u003cspan\u003e品牌：Douk Audio\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cspan\u003e型号：ST-01 PRO\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cspan\u003e音频输入：蓝牙\/USB（PC-USB）\/同轴\/光纤\/RCA\/ \u003cstrong\u003eU盘（仅ST-01 PRO支持）\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cspan\u003e音频输出：香蕉扬声器插孔\/3.5mm AUX\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cspan\u003e最大输出功率：100W+100W（4Ω）\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cspan\u003e匹配阻抗：3-8Ω\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cspan\u003e支持的采样率：\u003c\/span\u003e\u003cbr\u003e \u003cspan\u003eUSB输入：96KHz\/24Bit\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e蓝牙输入：48KHz\/24Bit\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e同轴\/光纤输入：192KHz\/24Bit\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e \u003cspan\u003eU盘支持格式：MP3\/WAV\/WMA\/FLAC\/APE\u003c\/span\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e \u003cspan\u003eU盘最大容量：64G\u003c\/span\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cspan\u003e高音\/低音调节范围：±6dB\u003c\/span\u003e \u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cspan\u003ePC-USB 支持系统：XP\/W7\/W8\/W10\/MAC\/Linux\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cspan\u003e频率响应：20Hz-20kHz（±1dB）\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cspan\u003e信噪比：≥98dB\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cspan\u003e总谐波失真：0.07%\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cspan\u003e工作电压：DC 18-30V\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cspan\u003e尺寸（宽*深*高）：115*98*54毫米\/4.53*3.86*2.13英寸\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cspan\u003e包装尺寸（宽*深*高）：295*225*85毫米\/11.61*8.56*3.35英寸\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\u003cspan\u003e净重：661克\/1.46磅\u003c\/span\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003cspan\u003e包装重量：1.4千克\/3.09磅\u003c\/span\u003e\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003cp style=\"text-align: left;\"\u003e\u003cspan\u003e包装清单\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli style=\"text-align: left;\"\u003e\n\n\u003cspan\u003e1*ST-01 PRO功放\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli style=\"text-align: left;\"\u003e\n\n\u003cspan\u003e1*DC 24V电源适配器\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003e1 个遥控器（不含 2 节 AAA 电池）\u003c\/span\u003e\u003c\/li\u003e\n\n\u003cli style=\"text-align: left;\"\u003e \u003cspan\u003e1*USB 数据线\u003c\/span\u003e\n\u003c\/li\u003e\n\n\u003cli style=\"text-align: left;\"\u003e\n\n\u003cspan\u003e1*蓝牙天线\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli style=\"text-align: left;\"\u003e\u003cspan\u003e1*用户手册\u003c\/span\u003e\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\n\u003cul data-mce-fragment=\"1\"\u003e\u003c\/ul\u003e\n\n\u003cbr\u003e\n\n\u003c\/div\u003e","brand":"doukaudio","offers":[{"title":"我们","offer_id":47198668325096,"sku":"SUC-ST-01-PRO-24V-US","price":104.99,"currency_code":"USD","in_stock":true},{"title":"英国","offer_id":47406608285928,"sku":"SUC-ST-01-PRO-24V-UK","price":104.99,"currency_code":"USD","in_stock":true},{"title":"欧盟","offer_id":47406608318696,"sku":"SUC-ST-01-PRO-24V-DE","price":104.99,"currency_code":"USD","in_stock":true},{"title":"非盟","offer_id":47406608351464,"sku":"SUC-ST-01-PRO-24V-AU","price":104.99,"currency_code":"USD","in_stock":true},{"title":"其他","offer_id":47406608384232,"sku":"SUC-ST-01-PRO-24V","price":104.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/SUC-ST-01-PRO_5.jpg?v=1728866904"},{"product_id":"douk-audio-x1-bluetooth-vacuum-tube-amplifier-desktop-amp-for-turntables-160wx2","title":"Douk Audio X1 HiFi 蓝牙 5.0 电子管放大器 桌面音频放大器 适用于唱机 160Wx2 ","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cstrong\u003e介绍\u003c\/strong\u003e\u003c\/div\u003e\n\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e Douk Audio X1电子管功放是各方面全面升级的版本，采用JAN5725电子管提升音质，TDA7498E功放IC，最大输出160W+160W，可驱动所有家用音箱，集唱机前级和功放功能于一体，支持MM唱机输入，并增加低频输出，可连接有源低音炮组建2.1声道音响系统。 \u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003c\/div\u003e\n\n\u003chr data-mce-fragment=\"1\"\u003e\n\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cstrong\u003e特征\u003c\/strong\u003e\u003c\/div\u003e\n\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\n\u003cul data-mce-fragment=\"1\"\u003e\n\n \u003cli data-mce-fragment=\"1\"\u003e蓝牙 5.0 和立体声 RCA 和 MM 唱机输入：MM 唱机输入，将唱机信号转换为线路电平信号并放大，采用低噪声集成电路和高品质组件，确保声音清晰纯净。蓝牙和 RCA 输入，放大来自手机、平板电脑、MP3 等设备的低电平音频信号，并为无源扬声器提供足够的输出功率，大大提高音质。\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cul data-mce-fragment=\"1\"\u003e\n\n\u003cli data-mce-fragment=\"1\"\u003e JAN5654 真空管 \u0026amp; HiFi 音质：\u003cspan data-mce-fragment=\"1\"\u003e默认搭配 JAN5725 电子管，全面提升音乐表现，例如细节、透明度、即时性、饱满度、动态、音色等，远超 6J1 系列，尤其在人声方面。可插拔电子管插座，方便切换电子管滚动和声音塑形，轻松选择并根据个人喜好调整音色。\u003c\/span\u003e\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cul data-mce-fragment=\"1\"\u003e\n\n \u003cli data-mce-fragment=\"1\"\u003e超大输出功率和低频输出：采用TDA7498E功放IC，最大输出功率可达160W+160W(4Ω)，配备32V\/5A电源，轻松驱动大部分家用无源音箱。\u003cspan data-mce-fragment=\"1\"\u003e并增加低音炮输出，方便连接有源低音炮，组建2.1立体声音响系统。\u003c\/span\u003e\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cul data-mce-fragment=\"1\"\u003e\n\n\u003cli data-mce-fragment=\"1\"\u003e完美设计，功能强大：配备音调控制，通过调节高音和低音旋钮，轻松获得更顺滑细腻的音质，并增加旁路功能，让您尽享原声。特别设计的低音增强开关，可大幅增强低音效果，震撼的听觉效果让您仿佛置身影院。\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cul data-mce-fragment=\"1\"\u003e\n\n\u003cli data-mce-fragment=\"1\"\u003e成熟的电路和 HiFi 组件： \u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cblockquote data-mce-fragment=\"1\"\u003e\n\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\n\u003cp style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e双PCB设计，完美集成MM唱头电路，布局合理简洁，走线少，噪音小。\u003c\/span\u003e \u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\n\u003cdiv data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e采用QCC3034蓝牙芯片，兼容性强，支持APTX、APTX-HD无损传输。\u003c\/span\u003e\u003c\/div\u003e\n\n \u003cdiv data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\n\u003cdiv data-mce-fragment=\"1\"\u003e \u003cspan data-mce-fragment=\"1\"\u003eNE5532运放负责前级放大和音调控制，具有出色的动态、丰富的细节和宽阔的声场。\u003c\/span\u003e\n\u003c\/div\u003e\n\n\u003cdiv data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/blockquote\u003e\n\n\u003cblockquote data-mce-fragment=\"1\"\u003e\n\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003e定制全铝合金外壳，散热性好，采用西门子电容、NEC继电器、红环电感、纯铜镀金端子等。\u003c\/span\u003e \u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/blockquote\u003e\n\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\n\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\n\u003cul data-mce-fragment=\"1\"\u003e\n\n\u003cli data-mce-fragment=\"1\"\u003e精美的外观和合适的尺寸：金属黑色外壳和真空管带有蓝色和橙色的装饰灯，看起来时尚而有吸引力，设计有输入开关\/低音和音调通过和旁路开关，使用非常方便，适用于立体声家庭和桌面音响系统。 \u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003c\/div\u003e\n\n\u003chr data-mce-fragment=\"1\"\u003e\n\n\u003cdiv data-mce-fragment=\"1\" id=\"pastingspan1\"\u003e\u003cstrong\u003e参数\u003c\/strong\u003e\u003c\/div\u003e\n\n\u003cdiv data-mce-fragment=\"1\" id=\"pastingspan1\"\u003e\n\n\u003cul data-mce-fragment=\"1\"\u003e\n\n\u003cli data-mce-fragment=\"1\"\u003e音频输入：蓝牙 5.0 \/ 立体声 L\/R RCA \/ MM 唱机和转盘\u003c\/li\u003e\n\n\u003cli data-mce-fragment=\"1\"\u003e音频输出：香蕉扬声器插孔\/低频输出（连接有源低音炮）\u003c\/li\u003e\n\n\u003cli data-mce-fragment=\"1\"\u003e蓝牙芯片：QCC3034（支持APTX\/APTX-HD）\u003c\/li\u003e\n\n\u003cli data-mce-fragment=\"1\"\u003e功放IC：TDA7498E\u003c\/li\u003e\n\n\u003cli data-mce-fragment=\"1\"\u003e运算放大器：NE5532\u003c\/li\u003e\n\n\u003cli data-mce-fragment=\"1\"\u003e最大输出功率：160W+160W（4Ω负载）\u003c\/li\u003e\n\n \u003cli data-mce-fragment=\"1\"\u003e扬声器阻抗： \u003cspan data-mce-fragment=\"1\"\u003e4-8Ω\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-mce-fragment=\"1\"\u003e频率响应：20Hz-20KHz（±3dB）\u003c\/li\u003e\n\n\u003cli data-mce-fragment=\"1\"\u003e信噪比：\u0026gt;90dB\u003c\/li\u003e\n\n\u003cli data-mce-fragment=\"1\"\u003e总谐波失真：0.5%\u003c\/li\u003e\n\n\u003cli data-mce-fragment=\"1\"\u003e输入灵敏度：0.775V\u003c\/li\u003e\n\n\u003cli data-mce-fragment=\"1\"\u003e高音和低音范围：±6dB\u003c\/li\u003e\n\n\u003cli data-mce-fragment=\"1\"\u003e工作电压：DC 19V-35V\u003c\/li\u003e\n\n\u003cli data-mce-fragment=\"1\"\u003e尺寸（宽*深*高）：115*166*60毫米\/4.53*6.54*2.36英寸\u003c\/li\u003e\n\n\u003cli data-mce-fragment=\"1\"\u003e包装尺寸（宽*深*高）：320*280*80mm \/ 12.60*11.02*3.15英寸\u003c\/li\u003e\n\n\u003cli data-mce-fragment=\"1\"\u003e净重：782克\/1.72磅\u003c\/li\u003e\n\n\u003cli data-mce-fragment=\"1\"\u003e包装重量：1400克\/3.09磅\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003chr data-mce-fragment=\"1\"\u003e\n\n\u003cdiv style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cstrong\u003e包装清单\u003c\/strong\u003e\u003c\/div\u003e\n\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\n\u003cul data-mce-fragment=\"1\"\u003e\n\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e \u003cspan data-mce-fragment=\"1\"\u003e1*X1功放\u003c\/span\u003e\n\u003c\/li\u003e\n\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e2*JAN5725真空管\u003c\/span\u003e\u003c\/li\u003e\n\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e1*32V\/5A电源\u003c\/li\u003e\n\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e1*蓝牙天线\u003c\/li\u003e\n\n\u003cli style=\"text-align: left;\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e1*用户手册\u003c\/span\u003e\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003c\/div\u003e","brand":"doukaudio","offers":[{"title":"我们","offer_id":47401204777192,"sku":"SUC-X1-32V-US","price":139.99,"currency_code":"USD","in_stock":true},{"title":"英国","offer_id":47401204809960,"sku":"SUC-X1-32V-UK","price":139.99,"currency_code":"USD","in_stock":true},{"title":"欧盟","offer_id":47401204842728,"sku":"SUC-X1-32V-DE","price":139.99,"currency_code":"USD","in_stock":true},{"title":"非盟","offer_id":47401204875496,"sku":"SUC-X1-32V-AU","price":139.99,"currency_code":"USD","in_stock":true},{"title":"其他","offer_id":47401204908264,"sku":"SUC-X1-32V","price":148.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/1_614f8149-586c-450d-9174-26c7e08a61c2.jpg?v=1744601260"},{"product_id":"douk-audio-hifi-vacuum-tube-power-amplifier-home-stereo-pure-class-a-single-ended-audio-amp","title":"Douk Audio F5 HiFi 电子管放大器 纯甲类单端立体声音频放大器","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\n\u003cp data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cstrong\u003e特征\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\n\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003e具有2组立体声RCA输入，可完美兼容大多数音频源，如手机、MP3、平板电脑、电视、电脑、CD播放器等，增加输入选择器，避免反复插拔电缆，通过方便的使用提供HiFi聆听体验。\u003c\/span\u003e \u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cul data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\n\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e采用大电流双三极管6N做电压放大，6L6做单端功率放大，驱动电流大，音色温暖饱满，中低音饱满厚实，高音通透顺滑。有效过滤数码音，降低噪音，提升动态。\u003c\/span\u003e\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cul data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\n\n \u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003e采用进口150W大功率变压器，确保15W“无大环路反馈”超线性音频输出变压器，采用独特的交叉复合绕制方式，大大降低了漏感。确保充足的功率，轻松驱动大多数家用无源音箱。\u003c\/span\u003e \u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cul data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\n\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003e尺寸适中，外观精致，银色铝合金机壳，表面精细处理，0.35mm进口铁芯，APLS电位器，进口名牌电容等，美观耐用。设计简洁，音质纯净清晰，非常适合家庭立体声及桌面音响系统。\u003c\/span\u003e \u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv data-mce-fragment=\"1\"\u003e\n\n\u003chr data-mce-fragment=\"1\"\u003e\n\n\u003cp data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cstrong\u003e温馨提示\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cul style=\"text-align: left;\"\u003e\n\n\u003cli\u003e\n\u003cspan data-mce-fragment=\"1\"\u003e可插拔电子管插座设计，您还可以更换电子管（6L6--6P3P\/EL34\/6550\/KT66、6N1--6H1\/ECC85）以享受不同的声音风格。\u003c\/span\u003e \u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003chr data-mce-fragment=\"1\"\u003e\n\n\u003cp data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cstrong\u003e参数\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\n\n\u003cli data-mce-fragment=\"1\"\u003e\n\n\u003cspan data-mce-fragment=\"1\"\u003e音频输入：2组立体声RCA\u003c\/span\u003e \u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-mce-fragment=\"1\"\u003e \n\u003cspan data-mce-fragment=\"1\"\u003e音频输出：香蕉扬声器插孔\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-mce-fragment=\"1\"\u003e\n\n\u003cspan data-mce-fragment=\"1\"\u003e电子管型号：6L6×2+6N1×1\u003c\/span\u003e \u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-mce-fragment=\"1\"\u003e\n\n\u003cspan data-mce-fragment=\"1\"\u003e输出功率：6W+6W\u003c\/span\u003e \u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-mce-fragment=\"1\"\u003e\n\n\u003cspan data-mce-fragment=\"1\"\u003e输出阻抗：4Ω\/8Ω\u003c\/span\u003e \u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-mce-fragment=\"1\"\u003e\n\n\u003cspan data-mce-fragment=\"1\"\u003e频率响应：35Hz-25KHz\u003c\/span\u003e \u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-mce-fragment=\"1\"\u003e\n\n\u003cspan data-mce-fragment=\"1\"\u003e信噪比：88db\u003c\/span\u003e \u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-mce-fragment=\"1\"\u003e\n\n\u003cspan data-mce-fragment=\"1\"\u003e输入\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003e灵敏度：750mW\u003c\/span\u003e \u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-mce-fragment=\"1\"\u003e\n\n\u003cspan data-mce-fragment=\"1\"\u003e输入阻抗：100K\u003c\/span\u003e \u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-mce-fragment=\"1\"\u003e\n\n\u003cspan data-mce-fragment=\"1\"\u003e电源变压器：150W\u003c\/span\u003e \u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-mce-fragment=\"1\"\u003e\n\n\u003cspan data-mce-fragment=\"1\"\u003e工作电压：AC 110V（暂无）\/220V\u003c\/span\u003e \u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-mce-fragment=\"1\"\u003e \n\u003cspan data-mce-fragment=\"1\"\u003e尺寸（宽*深*高）：230*205*160毫米\/9.06*8.07*6.30英寸\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-mce-fragment=\"1\"\u003e\n\n\u003cspan data-mce-fragment=\"1\"\u003e净重：6.57千克\/14.48磅\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cspan data-mce-fragment=\"1\"\u003e包装重量：8.0kg\/17.64lb\u003c\/span\u003e \u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003chr data-mce-fragment=\"1\"\u003e\n\n\u003cp data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\u003cstrong\u003e包装清单\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul data-mce-fragment=\"1\"\u003e\n\n\u003cli data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e\n\n \u003cspan data-mce-fragment=\"1\"\u003e1*电子管放大器\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-mce-fragment=\"1\" style=\"text-align: left;\"\u003e \u003cspan data-mce-fragment=\"1\"\u003e1 条电源线\u003c\/span\u003e\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003c\/div\u003e","brand":"doukaudio","offers":[{"title":"我们","offer_id":47406470299880,"sku":"DJ540-US","price":459.99,"currency_code":"USD","in_stock":true},{"title":"英国","offer_id":47406470332648,"sku":"DJ540-UK","price":459.99,"currency_code":"USD","in_stock":true},{"title":"欧盟","offer_id":47406470365416,"sku":"DJ540-DE","price":459.99,"currency_code":"USD","in_stock":true},{"title":"非盟","offer_id":47406470398184,"sku":"DJ540-AU","price":459.99,"currency_code":"USD","in_stock":true},{"title":"其他","offer_id":47406470430952,"sku":"DJ540","price":479.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/products\/1_0edfb2a7-dc41-43cf-8dcf-8cea3381c9f4.jpg?v=1651031198"},{"product_id":"nobsound-av-525-hifi-bluetooth-5-0-vacuum-tube-amplifier-coaxial-optical-integrated-audio-amp","title":"Nobsound AV-525 HiFi 蓝牙 5.0 电子管放大器 同轴\/光纤合并式音频放大器","description":"\u003cdiv style=\"text-align: left;\"\u003e\n\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Times New Roman'; font-size: 18.6667px; background-color: #ffffff;\"\u003e\u003cspan style=\"font-family: 'Times New Roman'; font-size: 18.6667px; background-color: #ffffff;\"\u003e温馨提示：\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e \n\u003cspan style=\"color: #000000; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 300; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; font-size: 14pt; font-family: 'Times New Roman';\"\u003e只有\u003c\/span\u003e\u003cspan style=\"color: #000000; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 300; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; font-size: 14pt; font-family: 'Times New Roman';\"\u003e在音乐动态较大、低音效果较强的情况下，VU表才会起作用。\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\n \u003cdiv\u003e\u003cstrong\u003e\u003cspan style=\"font-family: 'Times New Roman'; font-size: 14pt;\"\u003e特征\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\n\n\u003cdiv style=\"font-family: 'Times New Roman'; font-size: 14pt;\" id=\"pastingspan1\"\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e具备5种模拟及数字音频输入（蓝牙5.0 \/ USB \/ 同轴 \/ 光纤 \/ 2组RCA），兼容MP3、手机、平板、电脑、CD播放器等几乎所有音频设备，满足不同家庭音响系统的需求。U盘输入支持APE、FLAC、WAV等无损格式，轻松享受HiFi音乐。\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e除了扬声器输出（4\/6\/8Ω）外，还专门设计了低频输出，可连接有源低音炮，组建2.1声道音响系统，增强低音效果，带来如同影院般震撼的体验。配备高音和低音控制，可根据您自己的聆听风格，带来更细腻的音效。\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cul\u003e\n\n \u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003e电子管与晶体管一体化设计，前级采用EL84\/6K4\/5726电子管，整流采用WY2P电子管，音质清晰温暖，细腻顺滑。功率放大采用4只东芝5200晶体管和4只1943晶体管，并加装双环形变压器，每声道可稳定输出最大100W，轻松驱动所有家用无源音箱。\u003c\/span\u003e\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\u003cspan style=\"font-family: 'Times New Roman';\"\u003e独特的设计，外观精美，精致的黑色面板与复古的真空管相结合，尽显奢华典雅。配备双VU表，动态点缀聆听享受，显示屏可实时显示工作状态，非常适合家庭及桌面音响系统使用。\u003c\/span\u003e \u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv\u003e\n\n\u003chr\u003e\n\n\u003cdiv id=\"pastingspan1\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 14pt; font-family: 'Times New Roman';\"\u003e参数\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\n\u003cdiv style=\"font-size: 14pt;\" id=\"pastingspan1\"\u003e\n\n\u003cdiv\u003e\n\n\u003cul\u003e\n\n \u003cli\u003e\u003cspan style=\"font-family: 'Times New Roman'; font-size: 14pt;\"\u003e音频输入：蓝牙\/2组RCA\/USB(U盘)\/同轴\/光纤\u003c\/span\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003cspan style=\"font-family: 'Times New Roman'; font-size: 14pt;\"\u003e音频输出：扬声器插孔\/低频输出（连接有源低音炮）\u003c\/span\u003e\u003c\/li\u003e\n\n\u003cli\u003e \u003cspan style=\"font-family: 'Times New Roman'; font-size: 14pt;\"\u003eU盘支持采样率：16Bit\/48KHz\u003c\/span\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e \u003cspan style=\"font-family: 'Times New Roman'; font-size: 14pt;\"\u003eU盘支持格式：MP3\/WAV\/APE\/FLAC\/WMA\u003c\/span\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cspan style=\"font-family: 'Times New Roman'; font-size: 14pt;\"\u003eU盘最大存储容量：128G\u003c\/span\u003e\u003cspan style=\"font-family: 'Times New Roman'; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\u003cspan style=\"font-family: 'Times New Roman'; font-size: 14pt;\"\u003e蓝牙版本：5.0\u003c\/span\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003cspan style=\"font-family: 'Times New Roman'; font-size: 14pt;\"\u003e输出阻抗：4-16Ω\u003c\/span\u003e\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cspan style=\"font-family: 'Times New Roman'; font-size: 14pt;\"\u003e额定输出功率：100W+100W@4Ω\u003c\/span\u003e\n \u003cdiv\u003e70W+70W @8Ω\u003c\/div\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\u003cspan style=\"font-family: 'Times New Roman'; font-size: 14pt;\"\u003e频率响应：20HZ-20KHZ（±2dB）\u003c\/span\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003cspan style=\"font-family: 'Times New Roman'; font-size: 14pt;\"\u003e功耗：300W\u003c\/span\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003cspan style=\"font-family: 'Times New Roman'; font-size: 14pt;\"\u003e输入阻抗：47KΩ\u003c\/span\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003cspan style=\"font-family: 'Times New Roman'; font-size: 14pt;\"\u003e输入灵敏度：800mV\u003c\/span\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003cspan style=\"font-family: 'Times New Roman'; font-size: 14pt;\"\u003e高音和低音范围：±9dB\u003c\/span\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003cspan style=\"font-family: 'Times New Roman'; font-size: 14pt;\"\u003e信噪比：≥88dB\u003c\/span\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003cspan style=\"font-family: 'Times New Roman'; font-size: 14pt;\"\u003e分离度：≥80dB\u003c\/span\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003cspan style=\"font-family: 'Times New Roman'; font-size: 14pt;\"\u003e总谐波失真：0.1%（1KHz）\u003c\/span\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003cspan style=\"font-family: 'Times New Roman'; font-size: 14pt;\"\u003e尺寸（宽*深*高）：330*315*160毫米\/12.99*12.44*6.30英寸\u003c\/span\u003e\u003c\/li\u003e\n\n\u003cli\u003e \n\u003cspan style=\"font-family: 'Times New Roman'; font-size: 14pt;\"\u003e包装尺寸（宽*深*高）：380*350*210mm\/14.96*13.78*8.30英寸\u003c\/span\u003e\u003cspan style=\"font-family: 'Times New Roman'; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\u003cspan style=\"font-family: 'Times New Roman'; font-size: 14pt;\"\u003e净重：7.16千克\/15.79磅\u003c\/span\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003cspan style=\"font-family: 'Times New Roman'; font-size: 14pt;\"\u003e包装重量：9.0千克\/19.84磅\u003c\/span\u003e\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003chr\u003e\n\n\u003cdiv style=\"font-size: 14pt; font-family: 'Times New Roman';\" id=\"pastingspan1\"\u003e\u003cstrong\u003e包装清单\u003c\/strong\u003e\u003c\/div\u003e\n\n\u003cdiv style=\"font-size: 14pt; font-family: 'Times New Roman';\" id=\"pastingspan1\"\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e 1*电子管放大器\u003c\/li\u003e\n\n\u003cli\u003e1 条电源线\u003c\/li\u003e\n\n\u003cli\u003e1*遥控器（不含电池） \u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e","brand":"doukaudio","offers":[{"title":"我们","offer_id":47401194062056,"sku":"DJ525-US","price":459.99,"currency_code":"USD","in_stock":true},{"title":"英国","offer_id":47401194094824,"sku":"DJ525-UK","price":459.99,"currency_code":"USD","in_stock":true},{"title":"欧盟","offer_id":47401194127592,"sku":"DJ525-DE","price":459.99,"currency_code":"USD","in_stock":true},{"title":"非盟","offer_id":47401194160360,"sku":"DJ525-AU","price":459.99,"currency_code":"USD","in_stock":true},{"title":"其他","offer_id":47401194193128,"sku":"DJ525","price":459.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/1_8f496a06-9534-4515-951b-17845ca919db.jpg?v=1761544234"},{"product_id":"douk-audio-t6pro-hifi-tpa3255-bluetooth-tube-amplifier-with-vu-meter-300watts-x2","title":"Douk Audio T6PRO HIFI TPA3255 蓝牙电子管放大器，带音量表，300 瓦 x2","description":"\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e介绍\u003c\/span\u003e\u003c\/p\u003e\n\n \u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eT6PRO 是一款由 Douk Audio 设计的紧凑型电子管功放，兼具炫酷设计与卓越性能。采用 JAN5725 电子管和 TPA3255 功放芯片的组合，每声道高达 300W 的功率输出，可轻松驱动 4-8Ω 扬声器，带来令人印象深刻的音质。它配备蓝牙、两组立体声 RCA 接口和 3.5mm AUX 输入接口，以及 3.5mm AUX 前级输出，并配有扬声器插孔输出，可轻松组建多声道系统。除了常见的高音和低音控制外，还增加了低至 20Hz 的超重低音，带来震撼的低音效果。整块炫酷的深色 VU 表采用双面板设计，指针会随着音频信号的变化实时摆动，带来听觉和视觉的双重享受。\u003c\/span\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e特征\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cul style=\"text-align: left;\"\u003e\n\n \u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e双VU表，尽在同一个可视化仪表盘：T6PRO采用双VU表设计，但集成在一整块大面板上，外观更显独特大气。指针会随着音频信号的变化而动态摆动，兼具美观与强大的功能，还能实时调节音量，防止过载和失真。\u003c\/span\u003e\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cul style=\"text-align: left;\"\u003e\n\n\u003cli\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003e混合设计，强劲输出：T6PRO 采用 JAN5725 电子管，工作电压为 100V，实现真正的电子管放大，带来温暖丰富的音效体验。TPA3255 高端数字 D 类功放芯片，每声道最大输出功率高达 300W，可轻松驱动 4-8Ω 扬声器。其紧凑的尺寸使其适用于各种应用，从书架、桌面到家庭影院。\u003c\/span\u003e\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cul style=\"text-align: left;\"\u003e\n\n \u003cli\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003e丰富的输入和前置放大器输出：除了支持蓝牙 5.1 APTX-HD 和 LDAC 之外，T6PRO 还配备 3.5 毫米 AUX 和 2 组立体声 RCA 输入，可一次性连接和切换多个设备，避免反复插拔线缆。此外，T6PRO 还配备 3.5 毫米 AUX 前置放大器输出，可连接另一台功放和有源音箱\/低音炮，构建 2.1 或多声道家庭影院系统。\u003c\/span\u003e\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cul style=\"text-align: left;\"\u003e\n\n\u003cli\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003e超强低音，发烧级元器件：除了常见的高低音调节，定制您心仪的音效外，更新增低至20Hz的超强低音旋钮，带来震撼的低音效果。T6PRO采用QCC5125蓝牙芯片、德国WIMA、日本ELNA及Rubycon电容、专业音频电感、全密封精密电位器等，带来清晰纯净、低失真的音质。\u003c\/span\u003e\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cul style=\"text-align: left;\"\u003e\n\n \u003cli\u003e\u003cspan style=\"font-size: 14pt; font-family: 'times new roman', times;\"\u003e精湛工艺，外观精美：CNC 加工定制全铝合金结构，兼具耐用性和奢华质感；更大的扬声器接线柱，确保更高功率的安全传输。VU 表实时显示音量，将复古韵味与现代设计完美融合，让我们通过 Douk Audio T6PRO 体验一段穿越时空的 HIFI 音乐之旅。\u003c\/span\u003e\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e温馨提示：\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"text-align: left;\"\u003e \u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1.3.5mm AUX输出为前置放大，其输出电平与喇叭插孔输出同步受主音量控制。\u003cbr\u003e 2.默认配备可选的32V\/5A和48V\/5A电源适配器，如果您需要更高的功率输出，请自行更换另一个更大功率的高质量电源适配器。\u003c\/span\u003e \u003cbr\u003e3.T6PRO侧面板上有两个VU表灵敏度调节，一个负责左声道，一个负责右声道。\u003cbr\u003e 4.T6PRO默认自带JAN5725电子管，可直接用6J1、6J2、6J3、6J4、6J5、6K4、6*IN、6*4N、6*5N、5654、6AK5、EF95、6BA6、403B等电子管代替。\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e参数\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cul style=\"text-align: left;\"\u003e\n\n\u003cli\u003e\n\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e品牌：Douk Audio\u003c\/span\u003e \u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e型号：T6PRO\u003c\/span\u003e \u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e音频输入：蓝牙5.1\/2组立体声RCA\/3.5mm AUX\u003c\/span\u003e \u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e \n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e音频输出：香蕉扬声器插孔\/3.5mm AUX\u003c\/span\u003e \u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e蓝牙版本：QCC5125（支持APTX\/APTX-HD\/LDAC）\u003c\/span\u003e \u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e支持蓝牙的采样率：24bit\/96Khz\u003c\/span\u003e \u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e最大输出功率：300Wx2（@4Ω）\u003c\/span\u003e \u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e匹配扬声器阻抗：4-8Ω\u003c\/span\u003e \u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e \n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e音调控制范围\/中心频率：\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e高音：±8dB \/ 10KHz\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e低音：±6dB \/ 200Hz\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e超低音：±10dB\/20Hz\u003c\/span\u003e \u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e频率响应：20Hz-20KHz（±1dB）\u003c\/span\u003e \u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e输入灵敏度：0.775V\/0dBFS\u003c\/span\u003e \u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eAUX最大输出电平：3V\u003c\/span\u003e \u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e总谐波失真：0.01%\u003c\/span\u003e \u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e信噪比：≥102dB\u003c\/span\u003e \u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e工作电压：DC 24-48V\u003c\/span\u003e \u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e尺寸（宽*深*高）：140*165*69毫米\/5.51*6.50*2.72英寸\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e包装尺寸（宽*深*高）：250*228*110毫米\/9.84*8.98*4.33英寸\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e \n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e净重：1.4千克\/3.09磅\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e包装重量（含 32V 电源适配器）：2.1kg \/ 4.63lb\u003c\/span\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e包装重量（含 48V 电源适配器）：2.4kg \/ 5.29lb\u003c\/span\u003e\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cdiv style=\"text-align: left;\"\u003e\n\n\u003chr\u003e\n\n \u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003eT6PRO功率输出表\u003c\/span\u003e\n\n\u003c\/div\u003e\n\n\u003cdiv style=\"text-align: left;\"\u003e\u003c\/div\u003e\n\n\u003cdiv style=\"text-align: left;\"\u003e\n\n\u003ctable style=\"border-collapse: collapse; width: 51.1937%; height: 190px;\" border=\"1\"\u003e\n\n\u003ctbody\u003e\n\n\u003ctr style=\"height: 19px;\"\u003e\n\n\u003ctd style=\"width: 24.362%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e电源\u003c\/span\u003e\u003c\/td\u003e\n\n\u003ctd style=\"width: 22.5934%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e扬声器阻抗\u003c\/span\u003e\u003c\/td\u003e\n\n\u003ctd style=\"width: 23.4775%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e额定输出功率\u003c\/span\u003e\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr style=\"height: 19px;\"\u003e\n\n\u003ctd style=\"height: 57px; width: 24.362%;\" rowspan=\"3\"\u003e \u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e32伏\/5安\u003c\/span\u003e\n\u003c\/td\u003e\n\n\u003ctd style=\"width: 22.5934%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e4Ω\u003c\/span\u003e\u003c\/td\u003e\n\n \u003ctd style=\"width: 23.4775%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e78瓦+78瓦\u003c\/span\u003e\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr style=\"height: 19px;\"\u003e\n\n\u003ctd style=\"width: 22.5934%; height: 19px;\"\u003e \u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e6Ω\u003c\/span\u003e\n\u003c\/td\u003e\n\n\u003ctd style=\"width: 23.4775%; height: 19px;\"\u003e \u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e71瓦+71瓦\u003c\/span\u003e\n\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr style=\"height: 19px;\"\u003e\n\n\u003ctd style=\"width: 22.5934%; height: 19px;\"\u003e \u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e8Ω\u003c\/span\u003e\n\u003c\/td\u003e\n\n\u003ctd style=\"width: 23.4775%; height: 19px;\"\u003e \u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e65瓦+65瓦\u003c\/span\u003e\n\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr style=\"height: 19px;\"\u003e\n\n\u003ctd style=\"height: 57px; width: 24.362%;\" rowspan=\"3\"\u003e \u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e48伏\/5安\u003c\/span\u003e\n\u003c\/td\u003e\n\n\u003ctd style=\"width: 22.5934%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e4Ω\u003c\/span\u003e\u003c\/td\u003e\n\n\u003ctd style=\"width: 23.4775%; height: 19px;\"\u003e \u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e120瓦+120瓦\u003c\/span\u003e\n\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr style=\"height: 19px;\"\u003e\n\n\u003ctd style=\"width: 22.5934%; height: 19px;\"\u003e \u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e6Ω\u003c\/span\u003e\n\u003c\/td\u003e\n\n\u003ctd style=\"width: 23.4775%; height: 19px;\"\u003e \u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e110瓦+110瓦\u003c\/span\u003e\n\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr style=\"height: 19px;\"\u003e\n\n\u003ctd style=\"width: 22.5934%; height: 19px;\"\u003e \u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e8Ω\u003c\/span\u003e\n\u003c\/td\u003e\n\n\u003ctd style=\"width: 23.4775%; height: 19px;\"\u003e \u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e102瓦+102瓦\u003c\/span\u003e\n\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr style=\"height: 19px;\"\u003e\n\n \u003ctd style=\"height: 57px; width: 24.362%;\" rowspan=\"3\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e48伏\/10安\u003c\/span\u003e\u003c\/td\u003e\n\n\u003ctd style=\"width: 22.5934%; height: 19px;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e4Ω\u003c\/span\u003e\u003c\/td\u003e\n\n\u003ctd style=\"width: 23.4775%; height: 19px;\"\u003e \u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e250瓦+250瓦\u003c\/span\u003e\n\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr style=\"height: 19px;\"\u003e\n\n\u003ctd style=\"width: 22.5934%; height: 19px;\"\u003e \u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e6Ω\u003c\/span\u003e\n\u003c\/td\u003e\n\n\u003ctd style=\"width: 23.4775%; height: 19px;\"\u003e \u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e210瓦+210瓦\u003c\/span\u003e\n\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr style=\"height: 19px;\"\u003e\n\n\u003ctd style=\"width: 22.5934%; height: 19px;\"\u003e \u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e8Ω\u003c\/span\u003e\n\u003c\/td\u003e\n\n\u003ctd style=\"width: 23.4775%; height: 19px;\"\u003e \u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e185瓦+185瓦\u003c\/span\u003e\n\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv style=\"text-align: left;\"\u003e\u003c\/div\u003e\n\n\u003chr\u003e\n\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e包装清单\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli style=\"text-align: left;\"\u003e\n\n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1×T6PRO功放\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli style=\"text-align: left;\"\u003e\n\n \u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e2×JAN5725管\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli style=\"text-align: left;\"\u003e \n\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1×DC 32V 电源适配器（可选）\u003c\/span\u003e \u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli style=\"text-align: left;\"\u003e\n\n \u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1×DC 48V电源适配器（可选）\u003c\/span\u003e \u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli style=\"text-align: left;\"\u003e\n\n \u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1×蓝牙天线\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e\u003c\/span\u003e\n\n\u003c\/li\u003e\n\n\u003cli style=\"text-align: left;\"\u003e \u003cspan style=\"font-family: 'times new roman', times; font-size: 14pt;\"\u003e1×用户手册\u003c\/span\u003e\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Douk Audio","offers":[{"title":"不带电源适配器 \/ 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delivers warm, natural sound with an expansive dynamic range, bringing an organic and immersive listening experience.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli data-end=\"199\" data-start=\"0\"\u003e\u003cspan\u003eVersatile Input Options: Equipped with dual RCA inputs, a USB port, and Bluetooth, the DA7 enables various audio sources such as phones, tablets, laptops, and more, and features a dedicated input switch knob for seamless switching.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003cdiv dir=\"auto\" data-message-model-slug=\"gpt-4o\" data-message-id=\"6f745119-1fe5-4c47-bda5-20122e1c7623\" data-message-author-role=\"assistant\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eFast Digital \u0026amp; Wireless Connectivity: \u003c\/span\u003e\u003cspan\u003eThe DA7 supports USB 3.0 for high-speed audio transmission and superior sound quality. Its dual-mode Bluetooth 5.3\/5.0 ensures fast pairing, stable connections, and high-resolution wireless audio with lossless clarity.  \u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli data-end=\"266\" data-start=\"0\"\u003e\n\u003cspan\u003eDual VU Meters for Real-Time Monitoring: \u003c\/span\u003e\u003cspan\u003eFeaturing two analog VU meters that respond dynamically to the power amplification signal. The warm, rhythmic needle movement adds a classic touch while providing real-time audio monitoring.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli data-is-last-node=\"\" data-end=\"913\" data-start=\"644\"\u003e\u003cspan\u003eHigh-Quality Construction: Featuring an imported wideband EI output transformer, gold-plated pure copper connectors, and a durable steel mesh protective cover that enhances tube safety while ensuring efficient heat dissipation.  \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eParameters\u003c\/span\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eBrand: Nobsound\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eModel: DA7\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAudio input: Bluetooth \/ Stereo RCA \/ USB\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAudio output: Banana speaker jacks \/ Stereo RCA\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTube model: 6P1*4+6N1*3\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRated output power: 12W×2 (4Ω); 8W×2 (8Ω)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFrequency response: 10Hz-40KHz (-3dB)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTHD: 1% (1KHz)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSNR: 85dB\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInput sensitivity: 300mV\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInput impedance: 100KΩ\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOutput impedance: 4Ω \/ 8Ω\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePower consumption: 150W\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMax storage of U-disk: 128G\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSupported file system of U-disk: FAT32 \/ ExFAT\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSupported formats of U-disk: MP3 \/ WMA \/ APE \/ FLAC \/ AAC \/ WAV\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInput voltage: AC 220V IN\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDimensions (W*D*H): 318*305*155mm \/ 12.52*12.01*6.10in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage dimensions (W*D*H): 410*350*220mm \/ 16.14*13.78*8.66in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNet weight: 7.6kg \/ 16.75lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003ePackage weight: 8.5kg \/ 18.74lb\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cspan\u003ePacking list\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e1* DA7 Tube Amplifier\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1* Power Cord\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1* Bluetooth Antenna\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Douk Audio","offers":[{"title":"US","offer_id":47571590119656,"sku":"DZ105-US","price":349.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47571590152424,"sku":"DZ105-UK","price":349.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47571590185192,"sku":"DZ105-DE","price":349.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47571590217960,"sku":"DZ105-AU","price":469.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47571590250728,"sku":"DZ105","price":469.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/1_a5ec85c3-e364-45c0-936d-5ccf0362368f.jpg?v=1754642778"},{"product_id":"nobsound-da3-hifi-bluetooth-tube-power-amplifier-with-coax-opt-usb-in","title":"Nobsound DA3 HIFI Bluetooth Tube Power Amplifier with COAX\/OPT\/USB IN","description":"\u003cdiv\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eVersatile Connectivity: In addition to standard RCA inputs and speaker outputs, the DA3 offers Bluetooth connection, USB lossless playback, optical\/coaxial inputs, a PRE OUT for active subwoofers, and a 3.5mm headphone output for broad device compatibility. \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWarm Tube Sound: Featuring two Beijing 6J1 tubes in the preamp stage, the DA3 delivers a rich, smooth, and warm sound. The tube design adds a subtle harmonic richness that makes vocals sound natural and detailed.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCustomizable Sound Tuning: Fine-tune your audio with independent treble\/bass adjustments, allowing you to customize your listening experience and achieve the perfect sound balance for any genre.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMore Convenient Designs: Features like intuitive buttons, a dedicated input switch, and an input indicator light make operation effortless. Dual RCA inputs provide flexibility for connecting and comparing multiple devices.  \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePremium Components: Built with discrete circuit and high-end components, including four 2200uF 35V electrolytic capacitors and a 90W high-power transformer, the DA3 ensures clean, stable power delivery, making it an ideal choice for audiophiles.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eParameters\u003c\/span\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eBrand: Nobsound\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eModel: DA3\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAudio input: Bluetooth \/ Stereo RCA \/ Coaxial \/ Optical \/ U-disk\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAudio output: Banana speaker jacks \/ Stereo RCA \/ 3.5mm headphone jack\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTube model: 2*6J1\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRated output impedance: 4Ω\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRated output power: 35W*2@4Ω \/ 25W*2@8Ω\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFrequency response: 60Hz-20KHz (±3dB)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSNR: 70dB\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTHD: 1%\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRCA input sensitivity: 500mV\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMax storage of U-disk: 128G\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSupported formats of U-disk: FLAC \/ APE \/ MP2 \/ MP3 \/ WMA \/ AAC \/ MP4 \/ M4A \/ WAV\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInput voltage: AC 110V \/ 220V IN\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDimensions (W*D*H): 170*259*147mm \/ 6.69*10.20*5.79in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNet weight: 3kg \/ 6.61lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage weight: 3.5kg \/ 7.72lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cspan\u003ePacking list\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e1* Tube Amplifier\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1* Bluetooth Antenna\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Douk Audio","offers":[{"title":"US","offer_id":47640667324648,"sku":"DZ104-US","price":189.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47640667357416,"sku":"DZ104-UK","price":189.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47640667390184,"sku":"DZ104-DE","price":189.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47640667422952,"sku":"DZ104-AU","price":189.99,"currency_code":"USD","in_stock":true},{"title":"Other","offer_id":47640667455720,"sku":"DZ104","price":189.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/3_d6a6d59e-116c-484d-bfd4-1f8bf257a330.jpg?v=1756696517"},{"product_id":"douk-audio-f3-hifi-tube-amplifier-class-a-single-ended-stereo-audio-amp","title":"Douk Audio F3 HiFi Tube Amplifier Class A Single-Ended Stereo Audio Amp","description":"\u003cdiv\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eSingle-ended Class A Tube Amp: The F3 uses a single-ended Class A tube circuit for smooth, continuous amplification, helping vocals sound softer, instruments more textured, and music more relaxed. Connect RCA line sources such as DACs, CD players, or streamers for a warm HiFi listening experience.  \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eClassic Analog Tube Sound: GE 6DK6 driver tubes help shape clear mids and vocal presence, while Valvo PL84 output tubes add warmth, rich harmonics, and natural tube character. Together, they create an analog tube sound that balances clarity, texture, and long-session listening comfort.  \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eRefined 3.2W × 2 Class A Output: With 3.2W × 2 of pure Class A power, the F3 is tuned for high-sensitivity passive bookshelf speakers. Its smooth output character gives vocals more body, preserves natural dynamics, and keeps music relaxed, coherent, and easy to enjoy.  \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eReal-Time Music Spectrum Display: Watch your music come to life on the front spectrum display. Vibrant visual feedback matches the glowing tubes, giving you an immersive, analog-inspired experience that engages sight and hearing together, turning every track into a small performance. \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eHandcrafted Wood Cabinet: Each F3 features a handcrafted wood cabinet with natural grain, making every unit unique. Compact and elegant, it blends seamlessly into your desktop or HiFi setup, adding tactile warmth and a refined, vintage feel to your listening environment. \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003eQ: Why does my F3's wooden finish look slightly different from the pictures?\u003cbr data-end=\"146\" data-start=\"143\"\u003eA: The F3 features a real wood cabinet, handcrafted for each unit. Natural grain and color variations may occur, and minor cosmetic imperfections are normal, making each amplifier unique.  \u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003eQ: Can I power on the F3 without speakers connected?\u003c\/span\u003e\u003cbr data-end=\"167\" data-start=\"164\"\u003e\u003cspan\u003eA: No. Always connect speakers before powering on. Operating without a load may damage the output transformer.  \u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eQ: Can I leave the volume knob at my usual listening position when turning the F3 on or off?\u003cbr data-end=\"394\" data-start=\"391\"\u003eA: No. Always set the volume knob to minimum before power on and power off to protect the tubes and internal circuitry.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eQ: Why does the F3 sound tight or thin right after turning on?\u003cbr data-end=\"1246\" data-start=\"1243\"\u003eA: This is normal. Tubes require 30–60 minutes to reach proper operating temperature, after which sound becomes smoother and more natural.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eQ: Some tube sockets appear to have missing pin contacts. Is this a defect?\u003cbr data-end=\"1484\" data-start=\"1481\"\u003eA: No. Some ceramic tube sockets are designed without contacts for unused tube pins. It does not affect performance.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eQ: Can I upgrade or replace tubes with other models?\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eA: No. Using other types may damage the F3. The model of the supplied tubes may vary depending on the production batch, which is normal. Please refer to the actual product received.\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003chr\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003eParameters\u003c\/span\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eBrand: Douk Audio\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eModel: F3\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAudio Input: Stereo RCA\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAudio Output: Banana Speaker Jacks\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVacuum Tubes: PL84 × 2, 6DK6 × 2\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOutput Power: 3.2W × 2\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOutput Impedance: 4Ω \/ 8Ω\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSNR: ≥ 85 dB\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTHD (at rated power): ≤ 7%\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFrequency Response: 30Hz – 20kHz (±3dB)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInput Sensitivity: 500mV – 2V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRated Power Consumption: 42W\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInput Voltage: AC 100–240V, 50\/60Hz\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDimensions (W × D × H): 180 × 144 × 115 mm \/ 7.09 × 5.67 × 4.53 in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNet Weight: 2.5 kg \/ 5.51 lb\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePackage Weight: 2.9 kg \/ 6.39 lb\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003ePacking List\u003c\/span\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e1 × F3\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2 × 6DK6 Tubes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2 × PL84 Tubes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1 × Power Cable\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Douk Audio","offers":[{"title":"US","offer_id":48629369831656,"sku":"DZ115-US","price":299.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":48629369864424,"sku":"DZ115-UK","price":299.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":48629369897192,"sku":"DZ115-DE","price":299.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":48629369929960,"sku":"DZ115-AU","price":299.99,"currency_code":"USD","in_stock":true},{"title":"China","offer_id":48629369962728,"sku":"DZ115","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/1_1c1ede67-efd4-412d-ad74-e9b7fe51a41b.jpg?v=1780905980"}],"url":"https:\/\/doukaudibestseller.com\/zh\/collections\/tube-amplifier.oembed","provider":"Douk Audio","version":"1.0","type":"link"}