Unplug all speaker wires and turn on. if you still have a protect light on then there is an issue with the amp itself and if the light goes away plug in the speakers one by one while its on and the speaker that turns on the protect light has a problem
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Unplug all speaker wires and turn on. if you still have a protect light on then there is an issue with the amp itself and if the light goes away plug in the speakers one by one while its on and the speaker that turns on the protect light has a problem