The input voltage: DC12-26 v (Recommend use 24v more than 3A Power supply)
Output power:80W+80W+100W
Output resistance:4-8ohm
Chip:TDA3116D2
Frequency response range:14-100KHZ
Switching frequency:1.2MHZ
Signal to noise ratio:100db
Size:116*74*29mm
This 2018 Latest Version 2.1 Channel TPA3116 digital Power Amplifier Board,With TWO NE5532 OP AMP ,