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Wire Gauge Calculator

How to determine the best wire size for your amplifier’s power and ground.

In order to operate safely and get the best performance possible, an amplifier needs its power and ground wiring to be the large enough handle its electrical current demand.
The wire gauge your amplifier requires depends on how much current draw (in amperes) your amplifier(s) will try to consume, and on the length of your power wire (battery-to-amp).

To determine your amplifier’s fuse rating (in amperes), check the owner’s manual that came with your product.
If you have more than one amplifier, simply add the fuse ratings together.

Once you find the correct wire size for your system, shop our Amp Installation Kits!

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Recommended Gauge (AWG)

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