using only 2 channels of 4 channel amp

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=96786
Printed Date: May 12, 2025 at 10:48 AM

Topic: using only 2 channels of 4 channel amp

Posted By: itzme
Subject: using only 2 channels of 4 channel amp
Date Posted: August 30, 2007 at 11:23 PM

Hello all, my roommate wants to install my old Profile California series amp on his 03 ford ranger. The amp is a 4 channel amp, however he only wants it to push one sub (single voice coil). Will anything bad happen if he bridges the rear channels to one to push his sub, and just not hook anything up to the front channels? Thanks in advance for any and all help guys!

PS- I know Profile isn't all that great but, in my defense, it was my first amp ever (high school 2001, haha)

Replies:

Posted By: jmelton86
Date Posted: August 30, 2007 at 11:50 PM

This is fine as long as the sub has a single 4ohm voice coil.

He can hook the remaining 2 channels to his front speakers!

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2013 Kia Rio -90a alternator
DDX470HD GTO14001 GTO1014D (x3)
Big3 in 1/0G
1/0G to GTO14001

Posted By: stevdart
Date Posted: August 31, 2007 at 10:13 PM

An amplifier will not produce power if there is no resistive load on it. Channels 1 and 2 (the amplifier in question...the front channels) would just remain unused if you don't connect speakers to them. It is perfectly fine to do so.

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Build the box so that it performs well in the worst case scenario and, in return, it will reward you at all times.

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