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Parallel Sub Wiring quesiton

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=36502
Printed Date: August 29, 2025 at 10:49 AM


Topic: Parallel Sub Wiring quesiton

Posted By: Qveon
Subject: Parallel Sub Wiring quesiton
Date Posted: July 31, 2004 at 10:54 AM

If you have one amp rated at 400x1@4 500x1@2 and one sub. The sub gets 400 watts and the amp runs at 4 ohms. Now if i add another sub in parallel, the amp is now running at 2 ohms. So my question is, do both subs get 500 watts each or do both subs only get 250 watts each?



Replies:

Posted By: stevdart
Date Posted: July 31, 2004 at 11:09 AM
The amp will put out 500 watts.  Each sub will get half of that.  If you had three subs, each would get a third.

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