M-PA2030AOriginal ST TDA2030A Power Amplifier ICDIY KIT Compact SizeClass-AB Power amplifierVery Easy to build 100% working productThis KIT without heatsinkPower Output 2X16Wrms 8Ω W.V +20Vdc 0 -20VdcVery small size pcb 55mm * 40mm Order Option:1.PCB + All Parts you need to place the parts and solder it2. Assembled PCB ready to useFrequency Response: 15Hz-100KHzPower Out:15W RMS at 8 Ohm Load (must heatsink) 20W RMS at 4 Ohm Load (must heatsink)