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Old 06-10-2008
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amping 6x8 speakers

Well I just installed my new pioneer 3 way 6x8 speakers in runing them off a new pioneer DEH-P5000UB that puts out 22watts RMS to each speaker while they can handle up to 50. I have been a bit disappointed in loudness with them as I tend to drive around a lot with my windows down so they are somewhat hard to hear since I cant crank my HU way up. So I'm tempted to get a Pioneer GM-4300F since they can be had pretty cheaply and they output 40 RMS to each speaker.

However how hard it is to hook up? I currently am using the stock speaker wiring with adapter harnesses from Cructfield on the speakers. Are the wires easy to access under the dash someplace? also I would like to hide the amp under the dash or in it as well if possible. The Dimensions are: 11-13/16" x 2-3/8" x 10-5/8". I'm not sure if there's room or not?

Anyone here have experience in amplifying their door speakers?
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Old 06-10-2008
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It should be really easy. RCA from the headunit to the amp, power wire to the amp, ground to the amp, remote wire to the amp if it has one. Then just run all the speaker wires from the amp to the speakers and you'll be good to go.
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Old 06-10-2008
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ok, heres what i would do,

pick up a cheap little 4 channel amp, something in the neigborhood of a 200w unit(peak not rms), make sure the unit u buy has the wire inputs on it, that way u can just run you existing speaker wires into the amp, and then run new speaker wire out to the speakers, that way u dont have to mess with the headunit and have a bunch of rca's runnin through the vehicle which sometimes can cause interference. then run your power and remote wires, and ur golden...
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Old 06-10-2008
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Quote:
Originally Posted by mhughes165 View Post
ok, heres what i would do,

pick up a cheap little 4 channel amp, something in the neigborhood of a 200w unit(peak not rms), make sure the unit u buy has the wire inputs on it, that way u can just run you existing speaker wires into the amp, and then run new speaker wire out to the speakers, that way u dont have to mess with the headunit and have a bunch of rca's runnin through the vehicle which sometimes can cause interference. then run your power and remote wires, and ur golden...
Orrr you can do it the right way like I posted
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Old 06-10-2008
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i suggest how it would work no matter what kind of head unit he had...if he doesnt ahve rear speaker outputs and only sub outputs if so it is like pissing in the wind and will get ****ty quality.

Last edited by mhughes165; 06-10-2008 at 09:50 AM.
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Old 06-10-2008
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Originally Posted by 04blackedge View Post
It should be really easy. RCA from the headunit to the amp, power wire to the amp, ground to the amp, remote wire to the amp if it has one. Then just run all the speaker wires from the amp to the speakers and you'll be good to go.
x2, but I'd also upgrade the wiring as well. Heres what I run even without an amp.
http://www.crutchfield.com/App/Produ...CT1425&tp=2917
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Old 06-10-2008
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Originally Posted by mhughes165 View Post
i suggest how it would work no matter what kind of head unit he had...if he doesnt ahve rear speaker outputs and only sub outputs if so it is like pissing in the wind and will get ****ty quality.
He posted up what headunit he does have. Running a RCA from the headunit will sound so much better than doing the way you said.

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Originally Posted by Danger06Ranger View Post
x2, but I'd also upgrade the wiring as well. Heres what I run even without an amp.
http://www.crutchfield.com/App/Produ...CT1425&tp=2917
I agree, if your gonna do it, do it right.
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Old 06-10-2008
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Many 4 channel amplifiers have two types of inputs: low level and high (or speaker) level inputs. This can greatly simplify wiring depending on your setup. The low level input requires RCA cables from the rear of the deck to the amp. High level input requires you to tap into your existing speaker wires, either by an included adapter or by splicing and running new leads.

In my opinion, RCA is much easier. Almost all Pioneer decks made within the last 5 years have 3 sets of RCA outputs on the back: front, rear, and sub. Simply run your power, ground, and remote wires to your amp, and then run the front and rear RCA wires to the amp making sure they are not near the (+), (-), and (remote) wires.

I doubt you will get any amp to fit under the dash. A small 4 channel amp can fit under the seat between the seat tracks though.

Look for an amp that put out 50w RMS per channel. The idea is to match the amp's RMS output with the speakers rating. Please, please, please disregard any and all refrences to max power rating. In your case, if you have 4 50w Pioneer speakers, you want a 50x4ch amp. Simple!

Now you'll need to get the amplified sound to the speakers. How you do this can also vary. some people run all new wire to the speakers and others find a way to use the existing wiring. The latter can be easier as you don't have to find a way to get new wires into the doors. (I personally ran new wire through the existing door boots, but it was a royal PITA, especially for the rear doors. ) The idea when using the existing wiring is to make sure the wires connected to the speakers are connected to the output side of the amp.
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Old 06-10-2008
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I would never use the existing stock wiring when I amp my door and rear speakers.
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Old 06-10-2008
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Quote:
Originally Posted by mhughes165 View Post
i suggest how it would work no matter what kind of head unit he had...if he doesnt ahve rear speaker outputs and only sub outputs if so it is like pissing in the wind and will get ****ty quality.
Who needs rear speakers?
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Old 06-10-2008
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id look at a better amp. something close to 75w rms per channel ...
get it properly tuned, and you will not have a problem, even tho the speakers only have 50w rms rating.
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