HiFi clear sound with tone control: resonable circuit and concise wiring, adopts vacuum tubes to soften the sound and filter out the digital feelings, sounds warm and sweet without noise. AIYIMA T9 bluetooth tube amp Also with treble and bass knobs to adjust one's own preferable sound styles, presents HiFi music with rousing highs and deep lows
Upgraded USB Dac AmpPractical functions to simplify use: with input selection and indicators, and you can cancel the hibernation prompt according to your needs, clearly to show the working status in real time; aluminum alloy case is specially designed, cool and unique to decorate your desktop space. With DC24V Power Adapter&With Remote Control (Not include AA Battery)