• The Heart of Your HiFi System: TUBE-T4C, a stereo tube preamp designed for your home audio setup. Featuring standard RCA input and output, it effortlessly connects to a wide range of audio sources like PC, phone, tablet, or CD player etc. Simply link its output to your existing power amplifier or active speakers for an instant, significant sound upgrade.
• Elevate Your Sound: This Class A tube preamp breathes new life into your tracks, filtering out digital harshness and imbuing your audio with an irresistible warmth, rich depth, and expansive soundstage. Its reasonable circuit layout ensures a silent background and clean output.
• Customize Your Audio: Tailor your sound by simply swapping tubes. Explore different sonic flavors and personalize your listening experience. It's a simple way to customize your audio and discover new dimensions in your favorite tracks.
• Precise Tone Control: Fine-tune your audio to perfection with independent bass and treble knobs. Easily adapt the sound to suit your gear and personal taste. Whether you're an audiophile or just love great sound, the precise tone control can get the most out of your HiFi setup.
• Compact Size Fits Any Setup: Designed for modern living, the mini preamp boasts a compact size that seamlessly fits into any desktop audio setup. Get rich, warm analog sound in a small footprint, making it the perfect choice for space-conscious audio enthusiasts.

User Manual of Nobsound TUBE-T4C

Warm tips

• The TUBE-T4C is a preamplifier and must be paired with a power amplifier or active speakers. It cannot directly connect passive speakers.
• Please use the supplied DC 5V/2A power adapter to ensure optimal performance of the TUBE-T4C. If using other power supply, make sure it provides at least 2A current. Otherwise, the TUBE-T4C may not function properly.
• TUBE-T4C adopts pluggable tube socket, default 6J5 vacuum tubes, can be replaced by 6J1, 5654, 6AK5, EF95 etc. For a full list of compatible tube models, please refer to the user manual.

• Brand: Nobsound
• Model: TUBE-T4C
• Audio input: Stereo RCA
• Audio output: Stereo RCA
• Frequency response: 20-30KHz
• SNR: 100dB
• Voltage amplification: 2.5 times
• Input voltage: DC 5V/≥ 2A (5.5*2.5mm)
• Dimensions (W*D*H): 78*82*32mm / 3.07*3.23*1.26in
• Package dimensions (W*D*H): 135*85*90mm / 5.31*3.34*3.54in
• Net weight: 230g/ 0.51lb
• Package weight: 400g / 0.88lb