how to install 3 subs to 1 amplifier

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=15346
Printed Date: January 08, 2026 at 12:52 AM

Topic: how to install 3 subs to 1 amplifier

Posted By: XyGeNiC
Subject: how to install 3 subs to 1 amplifier
Date Posted: June 23, 2003 at 7:46 PM

i have 3 10" kenwood single voice subs but i dont know how to install them to 1 amp

Replies:

Posted By: tdsteele
Date Posted: June 23, 2003 at 8:07 PM

Well, heres a diagram of how to wire up three 4 ohms subs if thats what you have, BUT, your amp will need to be 1 ohm stable so give us some more details on what kind of stuff you have to work with.

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Posted By: XyGeNiC
Date Posted: June 25, 2003 at 7:12 PM

ok heres what i got for subs and amplifiers

Ive got 3x 10'' kenwood KFC-2503 subs, 4ohms imp. 500w peak power and there single voice coil. Ive also got a Kenwood KFC-W2585 amplifier 450watts and a kenwood KAC-748 power amp aswell but dunno which amp to use to power the 3 subs.

Ive tried to hook them up all in parallel but it seems i dont get enough boom!

Posted By: fuseblower
Date Posted: June 26, 2003 at 7:48 AM

hooking the subs up in parallel will definitely fry your amplifier... the KAC-748 is a 4 channel amp that is stable only down to a 4-ohm mono load and 2 ohm stereo. Kenwoods are not knowing for powering subs to the extreme but if you are looking for bass you might want to look into purchasing a mono block amp.

This will cost you a little but it will definitely get you the boom that you want and save you some $$$ in the long run. If you continue to run your kenwood below 2ohms the transistors within will began to break down..