Thank you very much for choosing our products! Please read this manual carefully before using the product. Tube T3 Manual Download Front & back panel interface instruction： ①……………………………Audio input interface (can be connected to CD, DAC decoder, mobile phone, TV, etc.) ②……………………………Switch/Gain gear switch (four gears are OFF-39dB-42dB-45dB) ③……………………………Power interface (DC power supply must not exceed 12V) ④……………………………Audio output interface (such as amplifier, headphone...

Enjoy The Customized Music for You Tube A5 Manual Download Congratulation Thanks again so much for your purchasing. This is a creative audio amplifier for you, it combines the beauty of traditional vacuum tube and the power of digital amplifier. It has BASS & Treble adjustable function, Bluetooth apt-X connection, support audio output through passive speaker or normal 3.5mm device. And, the vacuum tube...

Thank you very much for choosing our products! Please read this manual carefully before using the product. DAC A5 Manual Download Basic edition front interface function specification 1 ………………………… LED POWER INDICATOR LIGHT 2 ………………………… COAXIOL WORKING INDICATOR LIGHT 3 ………………………… OPTICAL WORKING INDICATOR LIGHT 4 ………………………… PC-USB WORKING INDICATOR LIGHT 5 ………………………… POWER NO/OFF 6 ………………………… SWITCH OF SIGNAL IMPUT 7 ………………………… 6.35...