... : A. Plug and play and support USB 16bit B. Coaxial and optical 24BIT/192K ,24bit/192K music playback C,Modular ... chip software control , coaxial and optical fiber to 24bit /192 K D. Add the optical input interface E. Add the ... Card ,DAC,headphone –amp ,pre-ampInput SIF×1 USB(1.0)×1 OPTICAL×1 , Analog RCA *1 Output Output terminal , ... DAC& Headphone AMP & Preamp HIFI AMP COAXIAL/OPTICAL MINI DAC USB