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Old 09-03-2011, 11:35 AM   #1
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Stereo system input

I have the RBQ radio with the stock subwoofer, stock sound pod speakers, and Polk db521's in the dash. I plan to change the sound pods to 521's as well.

Now the sub is blown, so I'm going to replace it with either another 6.5" or maybe an 8 at the most, in the same location.

My question pertains to the head unit vs. an amp: Would I be better served to get a new head unit that gives 4 x 50 + a preamp, or get an amp to do the same and use the RBQ?

I prefer the OEM look, and like the built in 6 disc changer. I have no problem with the RBQ. I'm not trying to have "symphony sound", I just want to hear the sound better with the doors/windows off (I run a Rampage frameless top spring/summer/fall, hard top in the winter). I don't have an iPod/MP3, and have no plans to get one, so an auxillary port isn't that important.

However, I'm also thinking it'll be easier to swap head units than it will be to add an amp due to the extra wiring and finding somewhere to mount it.

btw, I'm a novice with stereos. I'm assuming (dangerous) that the preamp is designed to power the sub based on the manufacturer's website for the head unit. Also, it seems that it's hard to find a built in changer like the OEM units have. Is this the case, or am I just not looking in the right places?

Any input is appreciated!

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Old 09-03-2011, 03:42 PM   #2
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go with a headunit, and go with a new amp for the speakers and for a replacement sub.

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Old 09-03-2011, 09:37 PM   #3
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I'll assume your factory stereo is under powering those Polks. I'm not aware of a efficient way to wire an external amp to a factory head unit. They make preout adaptors that allow you to wire in an external amp, but I've been told sound quality suffers (something about low pass/high pass wiring). I can understand you wanting to keep the 6 disc changer, but I think your best bet for the best sound quality is to replace the head unit and get a small external amp to power the sub that you will be replacing. Go for an 8" slimline sub for the center console. Focus getting most of your sound from the front speakers and dial down the sound pods (they're right next to your head anyway).
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Old 09-09-2011, 02:26 AM   #4
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dont know if you resolved your issue or not yet but if you like the oem look no reason you cant go with an amp. heres where you have to do a little research. youre going to want to get a decent 4way amp say 400w, this way you can keep each channel independent, and then you need to see what type of input it has. youre going to want to find one that has direct wire adapter meaning you can wire the speaker leads you would normally hook up to the speakers to the amp. this way you dont need the rca cables and you can hook up any stereo to it even your oem one. i myself have two amps hooked up in mine right now one for a sub and one for my mids and highs. one of the amps has the adapter the other doesnt. youre just going to have to do some shopping.

you are going to be much happier with the amp in the long run as most head units only push about 10 to 20w rms 52 peak but make it sound like crap really staticy. with the amp hooked up and turned almost all the way down i can max out the head unit volume and the audio is crisp and clear.. will also make your ears ring for a few minutes. im afraid to turn the amp up and see what it really does...
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Old 09-13-2011, 10:42 AM   #5
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I haven't done anything yet, basically just living with it. Going to pull the console this weekend so I can see what I've got.

All input is appreciated!!
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