Chip model: TDA7498. Output Power: 100W+100W (VCC=36V RL=6Ω THD=10%). Output Power: 100W x 2 max. 1 x Audio Amplifier Board. Sound Channel: dual channel 2.0 output. Output Power: 80W+80W (VCC=34V RL=8Ω THD=10%).
eBay