One pair HM2S-50W Class A Power amplifier kit base on KELL-KSA50 amp 50W+50W

One pair HM2S-50W Class A Power amplifier kit base on KELL-KSA50 amp 50W+50W
One pair HM2S-50W Class A Power amplifier kit base on KELL-KSA50 amp 50W+50W
One pair HM2S-50W Class A Power amplifier kit base on KELL-KSA50 amp 50W+50W

One pair HM2S-50W Class A Power amplifier kit base on KELL-KSA50 amp 50W+50W

One pair HM2S-50W Class A Power amplifier kit base on KELL-KSA50 amp 50W+50W 699918056362. Each PCB Size: 155 70 1.6MM (1OZ copper, FR4 grade A PCB material). The default price is for 2 channel kit.all the parts will need yourself to soder it. if you want buy the assembeld board. price need more 10USD..