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<blockquote data-quote="edzy" data-source="post: 4145269" data-attributes="member: 573836">I believe that will be fine. Just hook up the amps, set the gains right and then do a voltage reading at the amps.&nbsp; Measure the amps positive and negitive.&nbsp; And ya, an auto store can read what you need, but I doubt they will want to. Unless your buying something.&nbsp; You can buy a cheap volt meter for like 10 bucks at wall mart or online. If your serious about car audio, you may want to invest in a good meter like this.<a href="http://www.professionalequipment.com/extech-600a-true-rms-ac-dc-clamp-meter-38389/clamp-meters/" target="_blank">http://www.professionalequipment.com/extech-600a-true-rms-ac-dc-clamp-meter-38389/clamp-meters/</a>Not only will it tell you what voltage you have at the battery/amps, It can tell you&nbsp; how many amps your systems load it drawing as well. Plus you can ohm out subs, wire, ect. Def a good investment.Thank your dad for helping you. It may not be what you wanted, but it will work for your set up. And Oxegen free wire is not a must. Its nice to have, but 80% of ppl dont use it.Good luck.</blockquote>

[QUOTE="edzy, post: 4145269, member: 573836"] I believe that will be fine. Just hook up the amps, set the gains right and then do a voltage reading at the amps. Measure the amps positive and negitive. And ya, an auto store can read what you need, but I doubt they will want to. Unless your buying something. You can buy a cheap volt meter for like 10 bucks at wall mart or online. If your serious about car audio, you may want to invest in a good meter like this. [URL="http://www.professionalequipment.com/extech-600a-true-rms-ac-dc-clamp-meter-38389/clamp-meters/"]http://www.professionalequipment.com/extech-600a-true-rms-ac-dc-clamp-meter-38389/clamp-meters/[/URL] Not only will it tell you what voltage you have at the battery/amps, It can tell you how many amps your systems load it drawing as well. Plus you can ohm out subs, wire, ect. Def a good investment. Thank your dad for helping you. It may not be what you wanted, but it will work for your set up. And Oxegen free wire is not a must. Its nice to have, but 80% of ppl dont use it. Good luck. [/QUOTE]

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