Preout Level (mV) / Load-Unbalanced: 2500mV/10k? (USB);
Preout Impedance(?): ?600?;
Speaker Impedance(?): 4-8?;
USB: 1.1 / 2.0 Full Speed;
File System: FAT12 / 16 / 32;
MP3 decode: Compliant with MPEG-1/2 Audio Layer-3;
WMA decode: Compliant with Windows Media Audio;
AMP Maximum Power: 50wx4.
