Two 8 Gauge Leads for Two Alpine Amplifiers?

Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=146250
Printed Date: May 09, 2025 at 11:26 PM

Topic: Two 8 Gauge Leads for Two Alpine Amplifiers?

Posted By: frgm
Subject: Two 8 Gauge Leads for Two Alpine Amplifiers?
Date Posted: June 01, 2020 at 12:38 PM

New to the scene . About to start installing 2 alpine amps in my Grand Marquis .. local shop says I need 2 (8ga) power cords from the battery to run both . Is that true ?

Replies:

Posted By: geepherder
Date Posted: June 01, 2020 at 1:52 PM

Generally (very) speaking, yes, or run one 4 gauge to a distribution block and separate it from there to 2-8 guage wires.

If we know what amps and what load they'll be running at we can get a better idea.

This site also has calculators for wire size based on power.

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My ex once told me I have a perfect face for radio.

Posted By: frgm
Date Posted: June 01, 2020 at 2:23 PM

They are Alpine f300 (300w) and Alpine mrp-500 (500w) . I'm glad I found this forum . Alot of info . Thanks for the reply

Posted By: geepherder
Date Posted: June 01, 2020 at 7:49 PM

https://www.the12volt.com/wiring/recommended-car-stereo-wire-sizes.asp

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My ex once told me I have a perfect face for radio.

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