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Old 12-21-2009, 09:33 AM   #1
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Head Unit and Speakers - how to marry them?

Hey all -

Okay, so I am still a newbie when it comes to the whole "sound system upgrade", so I am up to this point in the process:

I have read that you need to make sure that the power output from your head unit "matches" the rated power for the speakers you have. While I understand the concept, would someone please tell me HOW you make sure this is the case?

I.E. - I am looking to buy the Pioneer DEH-1100MP (CD receiver with built-in MOSFET amplifier (14 watts RMS CEA-2006/50 peak x 4 channels) and Polk db461p speakers (power range: 4-50 watts RMS (150 watts peak power).

Do they "match"? How do you know? Could they match better if I added something else to the mix?

I am guessing they do because it reads that the head unit is pushing 14 watts RMS and the speakers can take 4-50 watts RMS... am I reading that correctly? If so, then maybe this head unit is a little weak for these speakers?

Thanks everybody - I appreciate it...

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Old 12-21-2009, 03:53 PM   #2
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That is correct. I would highly suggest that you find a radio with more power out of the box. Even a model or two higher on the Pioneer line will do. You will find on the cheapy's that if you try to turn them up enough to hear over all the noise of a wrangler your speakers will have a lot of distortion.

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Old 12-21-2009, 05:32 PM   #3
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Thanks jwm1986. I guess 14 is too weak? What would be sufficient? 20 watts?
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Old 12-22-2009, 09:31 AM   #4
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18-20 is pretty standard and sufficient on most of the decent units. Don't get me wrong, i'm not try to say you have to get a $500 radio to get good quality, just try to steer clear of the bottom end units... This is from ANY manufacturer, they all have budget models, and they will not hold up!
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Old 12-25-2009, 09:35 AM   #5
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What about tis one??? On sale from 129.99 down to 69.99

Clarion DB179MP

General features:

CD receiver with built-in amplifier (21 watts RMS CEA-2006/45 peak x 4 channels)
plays CDs, CD-Rs, and CD-RWs (including discs loaded with MP3 and WMA files)
detachable face
wireless remote control

Audio features:

Z-Enhancer EQ (2-band parametric EQ with three preset tone settings)
Magna Bass EX bass boost

Expandability:

front auxiliary input
2-channel 1.8-volt preamp outputs
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Old 12-25-2009, 11:02 AM   #6
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Still bottom of the bucket but that one has some decent power behind, if that rating is accurate any way. Should do the job for you if you don't want anything too fancy. With that said, I would still get the Pioneer over this one.
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Old 12-25-2009, 01:53 PM   #7
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Old 12-26-2009, 03:52 PM   #8
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I got the Pioneer DEH-1100MP. Put in in today and all is good :-)

Next up - new speakers and a Centra Pod for the tranny hump...

Thanks jwm!
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Old 12-27-2009, 07:19 AM   #9
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Not for nothing, but I also noticed that some places quote the CEA-2006 specs and some quote the average watts (per channel from the head unit). The one you hyperlinked said 22 watts, but the CEA-2006 specs said 14. The same goes for the DEH-1100MP, so I just figured I would go to Best Buy and get the 1100MP in stock.

Thanks, man - I appreciate your help. I am reading up about all this electronics stuff for the Jeep. What I want to do now is get upgrade the stock speakers and then get the Centra Pod for the tranny hump.

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