Ok, I have an spl 2400 watt amp powering 2 rockferd 15's. Two days ago I was driving and the subs just shut off and now the safety light is blinking on my amp. I checked the ground and thats not the problem. I checked the speaker wire and thats not the problem either. My subs are making a low pulsing sound though. So anyway i have no freakin clue about whats wrong with the whole setup. If anyone knows how to fix this please tell me.

As best as I can tell I believe your post would belong under Car Audio a few lines below Tech Help.

True. But the pulsing sound from your subs is coming from the transistors in the amp...they are oscillating which means either something inside the amp has blown, or the input signal has gone nuts somehow (wiring cut or grounded somewhere...)

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2009 ML350 (106K) - Family vehicle
2001 CLK430 Cabriolet (80K) - Wife's car
2005 BMW 645CI (138K) - My daily driver
2016 Mustang (32K) - Daughter's car

ok thanks and sorry for posting it in the wrong place