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What up yall im have alittle trouble wit my amp its a older model American Bass, but I get from my friend for bout 40 bucks. Anyway I tried to hook the amp up the green light comes on but theres no sound from the subs. I went to an audio shop and they rewired the whole car and the amp still wouldnt come not even the light this time. I got the amp back home and tried it one more time before it was going to meet the dumpster so I hooked it back up and the green light came back on but theres still no sound from the subs can anyone help I thought the amp might be blown but the light still comes on.

The power side may work, but the oputput side isnt.

Its probably blown.

Best bet is to have it bench tested or toss it.

Most likely you have an input/output mosfet problem....Sounds like maybe even one of the legs on one of the mosfets maybe broke thus answering the question of home come sometimes the light turns on yet sometimes it don't