ITEM NAME:Smart Electronics Tda7498 Dc 14-34V Amplifier Board Of Class D 2X100W Dual Q7C2 Smart Electronics Tda7498 Dc 14-34V Amplifier Board Of Class D 2X100W Dual Q7C2 Type:Voltage Regulator.Model Number:TDA7498. 1 TDA7498 Amplifier Board. Output resistance:4-8ohm. Signal to noise ratio:110db. Dissipation Power:100W 2 Output power. Level 4 gain optional:(21.6dB,27.6dB,31.1dB,33.1dB). Line type:D types.