kenwood 4x45 watts?
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=24219
Printed Date: July 12, 2025 at 3:04 PM
Topic: kenwood 4x45 watts?
Posted By: deadbluesky
Subject: kenwood 4x45 watts?
Date Posted: January 08, 2004 at 9:22 PM
i know all my sh*t about guitars and guitar amps but not this stuff as much. I have a very simple question. If my head unit says 45 x 4 on it (its a kenwood). Does that mean i get 4 speakers that are rated at like 11 watts to equal the 45 OR get four speakers that can handle at least 45 watts? So, in other words does each individual speaker get 45 watts or is the 45 watts split among all 4? Thanks
Replies:
Posted By: xetmes
Date Posted: January 08, 2004 at 9:26 PM
45 each, although they are always grossly overrated so yea kinda like 11 each lol
Posted By: deadbluesky
Date Posted: January 08, 2004 at 9:28 PM
So, if i got speakers that can handle 150 watts is that too much? or will it sound just as good?
Posted By: SDmustang21
Date Posted: January 08, 2004 at 9:29 PM
That would be 45 watts to each speaker to answer your question. (45 watts x 4 = 180watts your stereo is pumpin out according to the manufacturer)
Posted By: usmc6213
Date Posted: January 08, 2004 at 9:29 PM
Ok everyone I'm a new guy but I think I can handle this one. 45 x 4 means that you have 45 watts PEAK power to each channel. (For a total of 180 watts) RMS power delivered to each speaker is going to be something like 20 or 21 watts. I hope that clears up any confusion.
Posted By: deadbluesky
Date Posted: January 08, 2004 at 9:36 PM
thanks guys. i tried tellin my dad this and he stuck on the fact that 45 x 4 mean its 45 watts all together and that 45 is split amoung the 4 speakers. I told him im getting 150 watt speakers (150 watt peak). So, there RMS power is like 70-75 watts. But, he thinks hes right with the 45 watts divided amoung 4 speakers. haha i cant win with him
Posted By: fatdaddyjoe
Date Posted: January 08, 2004 at 11:46 PM
tell dad to come to the forum and we will talk to him !!!!!!!!!! lol just playin
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Posted By: bberman1
Date Posted: January 09, 2004 at 10:52 AM
Have your dad read this tutorial https://www.bcae1.com/speakrat.htm but you should always look at the rms not the Max, and that head unit is probably putting out between 5-10 watts rms per channel. 45X4 means that each channel (or speaker) is getting 45 watts MAX, or 5-10 watts RMS each.
Posted By: forbidden
Date Posted: January 09, 2004 at 12:23 PM
And just because a speaker says it is 150 watts does not mean it magically plays that loud, it will only play what it is given, in the case of your deck, about 15 watts rms (root mean square) of power per speaker.
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