...from a few parts like a couple of capacitors a few resistors , a 555 timer IC and a relay with high current contacts. I have also seen these already factory nmade in good auto stereo shops. Good ...
...subs blew or what should i test for on the board itself? any help is much appriciated. check pwm circuit amps turn on with 3-4 volts on mosfet gates ic 494, 5252or 555 controll these.hit me up for ...
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