DUGOOD HDAP-01 U disk,SD card,hard disk player & DAC ... 120db dynamic range, 24bit/192K of AK4394VF. More detailsHDAP-01 panel diagram 1 power switch. 2 Infrared remote control receiver ... and other storage media. 6. SD card slot. HDAP-01 backplane schematic 1 coaxial digital audio output for connecting external ... . 4. AC 220V power input socket. DUGOOD HDAP-01 high-fidelity digital audio file player