STA508 2.1 160W+80W+80W Class D amplifier completed board

This is a assembled board, which use original TC2000 and STA508 chips; 

the Main filter capacitor use Japan Panasonic electrolytic capacitor6×330 UF

Work type: Class D

Quiescent current:50mA

Efficiency of operations:90%

Rated output power:2*80 W+160 W

Frequency response:20Hz to 20KHz

Working Voltage:DC18V to DC34V(Recommend to use DC 32 V ) 

Max output current:6A

PCB size:115.5 mm * 100 mm

The function of potentiometers ( from left to right):

Bass; L& R Channel Terble Volume ; L & R Channel Volume; Volume