right alternator to run aftermarket car audio system?

K

Kevin

New member
hi, I recently added new sound system to my car.
Max output is 1600W and 500RMS. I'm running a 600W max
class AB 4channel amp and class D 1000W max class D
mono channel amp. Car's equipped with 90A alternator. Does this
alternator generate sufficient amp to feed the sound system
power it needs or should I have to go for bigger alternator? if so,
what's the right size? Can anyone tell me how to calculate this
whole right alternator for certain wattage from amplifier?
 
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