Maker Pro
Maker Pro

car stereo sound keeps cutting out

So to start I have a 1993 Nissan altima gxe that I recently replaced the entire sound system in. The head unit is a Pioneer deh-x5600hd connected to two Pioneer ts-975m and two Pioneer ts-575m. When I first did the swap everything worked fine but the sound would cut out at high volumes then after a week or so that stopped but now the problem resurfaced but worse now the sound cut out even at low volumes (the head unit stays on there is just no sound coming from the speakers) I already went and exchanged the head unit for a new one but I am still having the same problem. At one point I was able to get it working again by disconnecting the head unit and making it go threw the setup but now that is not even working please some help me out. I'm thinking it may be the battery or the alternator
 
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