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Old 02-05-2013, 09:11 AM   #1
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Which Amp?

I replaced the OEM radio and front speakers im my '99 Sahara with a Pioneer radio and 5 1/2" pioneer speakers with the Nolan adapters. I love using the ipod with the new radio. Being electronically illiterate I need advice choosing an amp to help the front speakers and the OEM rear overhead bar speakers perform better. I saw a small one at Walmart yesterday but it was for only 2 speakers and a subwoofer. There were larger ones there but the box didn't tell me how many speakers they pushed. I'm not trying to create the ultimate stereo, just kick up the performance and quality of the sound just a little. Any suggestions for an amp I could mount under the passenger seat that won't cost an arm or leg and still improve the radio and speaker's performance?
Dubs

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Old 02-05-2013, 09:30 AM   #2
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What kind of budget are you looking at? If you're not too concerned about quality type 4 channel amp into amazon and pick one you like. Alpine and kenwood make decent and cheap 4 channel amps.

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Old 02-05-2013, 09:34 AM   #3
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if your pioneer has enough wattage to run the front dash speakers, then you just need a 2channel amp to run the rear soundbar speakers. IMO, I would consider a 4 channel bridgeable amp, just in case you decide to add a sub down the road.
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Old 02-05-2013, 10:05 AM   #4
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^^^^ This and look for an amp that has a RMS wattage rating to match your overhead speakers. Also look at the THD (total harmonic distorsion) of the amp. The lower the number the cleaner the sound at the higher output levels. You also want to make sure that what you get has a gain control so that you can dial in the output to no more than just over half the output. Of cousre this setting should correspond with the capacity of the speaker as well.

You want to be able to adjust the output of the amp so that at just over half volume of the head unit the speakers sound good without distorsion.
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Old 02-05-2013, 10:08 AM   #5
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Sounds like a 4 channel amp is what I want! Thanks for eveyone's help! I was looking at a two channel but believe the 4 channel is what I prefer. I want to spend one to one fifty on improving the sound.
Dubs
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Old 02-05-2013, 10:10 AM   #6
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Thanks AOR!
Dubs
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Old 02-05-2013, 11:02 AM   #7
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This 4 channel from alpine is ideal for you situation! It can fit in behind the dash out of the way and has adjustable gain for both front and rear channels. Plus bein 45watts RMS will pretty much do what you want for what you got.

Alpine KTP-445U "Power Pack" Upgrade any car radio to 45 watts RMS X 4 at Crutchfield.com
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Old 02-05-2013, 11:32 AM   #8
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Bigcrave, This looks like it is just what the doctor ordered! In, fact it looks like it is what I need for my speakers on my motorcycle as well!
Thanks for the link!
Dubs
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Old 02-05-2013, 03:51 PM   #9
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Make sure you look into the Model KTP-445U and not the KTP-445. The "U" designation at the end of the model number is for the universal model, the other is for the plug and play version for Alpine radios'.

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