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Old 06-21-2012, 12:38 PM   #1
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Default Replace rear speakers on 2003 Grand Am Gt w/ Monsoon System

I recently replaced my head unit with a pioneer head, and now I want to replace the rear speakers because the stock ones are blown. I realize that the stock speakers have 4 wires, 2 for the sub and 2 for the tweeter. I need to know the most effective route to take to replacing the speakers.

I had an idea to only use the sub wires and connect them to a 6x9 sub speaker like this:
http://www.woofersetc.com/p-8451-cl-...ubwoofers.aspx

However, I don't know if this will work or if it will be very effective.

Please help me choose the most effective route to get good quality sound.

Thanks!
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Old 06-21-2012, 07:51 PM   #2
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what about some component speakers, ive seen plastic adapters to fit separates in a 6X9 hole
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Old 06-21-2012, 07:54 PM   #3
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Old 06-21-2012, 09:01 PM   #4
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You have the Monsoon amp still installed? Those are 2 ohm speakers. If you get 4 or 8 ohm speakers, they will not match the amp and sound dead.
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Old 06-22-2012, 12:11 AM   #5
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Easiest: Get some stock replacements

If you want to use aftermarket speakers, you'll have to bypass the stock amp, and either run them directly off the head unit, or use a different amp.
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Old 06-22-2012, 10:12 AM   #6
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Quote:
Originally Posted by 2k2cse View Post
Easiest: Get some stock replacements

If you want to use aftermarket speakers, you'll have to bypass the stock amp, and either run them directly off the head unit, or use a different amp.
This is completely incorrect.

JWE'* idea makes the most sense. Run the correct wires to the woofer and the correct wires to the tweeter. You can mount the tweets in the C pillar if you want, or you can get the kind have them as one unit. Because the Monsoon amp is also a crossover you won't have to use the ones that come with the speakers.

If you just throw some regular speakers on there and don't do it right, you'll lose a ton of bass, since the Monsson amp uses the 6x9s as "subwoofers".
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Old 06-22-2012, 12:01 PM   #7
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Quote:
Originally Posted by MouSe View Post
This is completely incorrect.

JWE'* idea makes the most sense. Run the correct wires to the woofer and the correct wires to the tweeter. You can mount the tweets in the C pillar if you want, or you can get the kind have them as one unit. Because the Monsoon amp is also a crossover you won't have to use the ones that come with the speakers.

If you just throw some regular speakers on there and don't do it right, you'll lose a ton of bass, since the Monsson amp uses the 6x9s as "subwoofers".

My thoughts exactly, but a good set of coaxial 6x9s would work good as well.


As for replacing the factory 2 ohm speakers with 4 ohm speakers, as long as you get speakers that properly match the amps ratings you will be fine. The last thing you want to do is get some 4 ohm 300 watt RMS speaker with an 86 db sensitivity rating. Find a nice 4 ohm speaker that is around 80 - 100 watts RMS with a sensitivity rating as high as you can find and you will be surprised at how good it will sound.

The higher the sensitivity rating is on a speaker, the louder it will be at any given volume. Also don't forget to look at frequency response.
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