J-Tech Digital 5.1 Channel Audio Decoder with Remote Control and Video, EQ Mode, USB Charging, USB 1 Toslink Optical and 1 Coaxial digital audio input, 1 USB 2.0 multi-media player, you can switch freely between different signal sources. Output 5.1 channel analog audio and 1xCVBS, can be connect to the amplifier or TV. High tone quality, low noise. Support multiple EQ model: Standard, Classic, Jazz, Rock, Pops, Ballad and Dance. Support for remote operation, visual menu interface. Support digital audio formats: Dolly digital (AC3), DTS, LPCM. Automatic identification input digital audio signal format, auto track test. Power-Off memory. USB charging for mobile devices. Can directly play MP3, MP4, photos,One AV RAC Video Output to Support On Screen Display