right now i have 2 12's in my truck hitting hard u can here me comming down the block but i want to here me comming from a mile away so i now have have 4 15 inch Alpine SWR-1542D and 4 alpine mrp-m500 amps. When i bout this stuff the guy at the store told me he hopes i no how to hook up and external car battery. So my question is if i hook up about 2 carbatterys to these 4 amps 2 to each amp how will i keep the batterys charged. Is there anyway i could hook all this up to my car battery without it going way dead.
how do i hook up ans external bater for car audio amp?
- Thread starter guyj45
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