... and play and support USB 16bit B. Coaxial and optical 24BIT/192K ,24bit/192K music playback C,Modular headphone- ... display , two color LED display . 1MM particularly porous used for LED , let the displaymore friendly . C. Single chip software control , coaxial and optical ... pre-amp F. Touch button control design , easy operation and display , embedded upgrade reserves ! G. modular power amp design , ...