TPA3110 XH-A232 Chip : TPA3110 Condition : XH-A232 Application : Computer Supply Voltage : DC12V-22V Dissipation Power : 30W+30W Size : 53*45*14mm Channels : 2 (2.0) Output impedance : 4-8ohm Current : more than 2A Signal to noise ratio : 100db Weight:21g TPA3116D2 XH M139 IC 16 PIN 50W*2+100W 2.1 channels(left/right channel and subwoofer channel) Powered by DC 12-24V, wide input voltage User can adjust the volume by themselves easily Applicable speaker impedance: 4-8 ohm 50W*2+100W 2.1 channels(left/right channel and subwoofer channel) Powered by DC 12-24V, wide input voltage User can adjust the volume by themselves easily Applicable speaker impedance : 4-8 ohm TPA3116D2 XH M543 Supply voltage : DC12-26V Output power : maximum 120*2W Signal to noise ratio : 100db Number of channels : two-channel stereo Product size : 92*68*16(mm)