how to determine amp output

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Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=55560
Printed Date: November 04, 2025 at 1:49 AM

Topic: how to determine amp output

Posted By: davidh_r
Subject: how to determine amp output
Date Posted: May 11, 2005 at 7:48 PM

how many watts will a kicker kx800.2 amp put out mono? heres the data i got from the manual

RMS power:
13.8v 4ohm 200x2
13.8v 2ohm 400x2
13.8v 4ohm 800x1

for future reference how can i figure this out myself? semi-educated guess: does power double when resistance drops in half?

Replies:

Posted By: DYohn
Date Posted: May 11, 2005 at 7:53 PM

davidh_r wrote:

RMS power:
13.8v 4ohm 800x1

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Posted By: davidh_r
Date Posted: May 12, 2005 at 1:16 AM

god im a tard, i meant to say mono at 8 ohms

Posted By: evanc
Date Posted: May 12, 2005 at 6:34 AM

The way I have always been told to do this was the mono power of a 2 channel amp is adding the 2 channel power at the next resistance level down (current level / 2).

For this case your amp does 200x2 at 4ohms, so you "should" get 400 wattsx1 @ 8 ohms.

Someone correct me if I am wrong.

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