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Originally Posted by mpolli
Good point about the high amps. I missed that in the orig post. Those 500W amps are likely the problem. I would yank those puppies out. Those would be more appropriate in a pink Hyundai Sonata with a big spoiler on the back and 12 inch wheels. Or put in 2 more, take out the engine and the car can just bounce down the road.
MP
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Nah...I ain't hatin'...I used to compete in sound-offs with my VW...it required a custom high-output alternator and I ran two batteries!
Just saying if you are running 1kW amps, you may be overtaxing your alternator. BTW, their current draw is continuous regardless of your volume setting, and during peaks, power demand most likely forces the system to starve all other components in the car to feed the amps!
Pro competitors use huge capacitors to store excess energy and deliver it when your amps require it under those conditions.
Also, I hope your amps are at minimum being fed by an isolated 5-gauge lead with a 35-amp fuse directly coupled to the battery. Not much other than ABS and other major components require that type of current feed. You don't want to risk blowing a fuse while driving and putting yourself at risk with a major component being disabled.
MB design requires engineering the total package when integrating a new feature. Putting in high-wattage amps requires the same thought process...