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<blockquote data-quote="ejschultz" data-source="post: 5942190" data-attributes="member: 603800">as far as upgrading batteries, i recommend optima. as the previous poster said, others will say different things. i&#039;ve got a red top under my hood and a yellow top in the trunk. red tops are great starting batteries, but that&#039;s about it. when it comes to audio, they&#039;re like any other starting (regular) battery out there. when you&#039;re going to be pulling extra current and need a strong battery, yellow or blue tops are great for that. both yellow and blue from optima are designed to be deep cycle batteries, but can also be used for starting batteries. with your setup i&#039;d recommend a yellow top up front. that way you can listen with the engine off if you&#039;d like. you&#039;ll get a lower voltage doing that, but the option is out there. with a conventional starting battery, i&#039;d strongly recommend leaving the engine running when you turn it up.oh, and nice amp by the way... mine tested at 638 watts rms at 14.4 volts. unless you get a watt meter, which is pretty much a cross between a voltmeter and an amp meter, you won&#039;t be able to measure the wattage from the amp. if you do a google shopping search, i&#039;m sure you&#039;ll be able to find one that&#039;s not too rough price wise. a lot of them are going to be well into the hundreds, but i believe there are some you can use for about 50 or 60, although i may be wrong. i&#039;d also recommend getting one that will go up to a kilowatt, if you decide to get one. there may also be a local shop in the area that could test it for you.</blockquote>

[QUOTE="ejschultz, post: 5942190, member: 603800"] as far as upgrading batteries, i recommend optima. as the previous poster said, others will say different things. i've got a red top under my hood and a yellow top in the trunk. red tops are great starting batteries, but that's about it. when it comes to audio, they're like any other starting (regular) battery out there. when you're going to be pulling extra current and need a strong battery, yellow or blue tops are great for that. both yellow and blue from optima are designed to be deep cycle batteries, but can also be used for starting batteries. with your setup i'd recommend a yellow top up front. that way you can listen with the engine off if you'd like. you'll get a lower voltage doing that, but the option is out there. with a conventional starting battery, i'd strongly recommend leaving the engine running when you turn it up. oh, and nice amp by the way... mine tested at 638 watts rms at 14.4 volts. unless you get a watt meter, which is pretty much a cross between a voltmeter and an amp meter, you won't be able to measure the wattage from the amp. if you do a google shopping search, i'm sure you'll be able to find one that's not too rough price wise. a lot of them are going to be well into the hundreds, but i believe there are some you can use for about 50 or 60, although i may be wrong. i'd also recommend getting one that will go up to a kilowatt, if you decide to get one. there may also be a local shop in the area that could test it for you. [/QUOTE]

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