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  1. #1
    GTX Level Member Sudden's Avatar
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    Default Monsoon rear speakers, any good

    I have a 2005 GTP with the Monsoon system. Are the rear speakers good or poor. Is there an easy way to upgrade them?

    TIA, Patrick
    2005 Grand Prix GTP CompG. Overkill PCM, ZZP S2 I/C, ZZP MPS W/ 3.3" pulley, 1.9 YT rockers, 42.5# injectors, Moroso wires and AL104 plugs, 180 Thermostat, LS4 MAF.
    Front PLOG, Rear PLOG, crossover, all ceramic coated. ZZP 3" Downpipe and 3" exhaust pipes with Borla S-Type mufflers.

  2. #2
    I can't car too good. SaukRapids's Avatar
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    Default Re: Monsoon rear speakers, any good

    I have an 05 also and was using mine well last night, which I don't usually. They seem to be still solid. Might change them once distortion starts from age/wear.

    Some others opined over the last couple days here (there's a little info on speaker swap too) - http://www.grandprixforums.net/threa...n-Sound-System

  3. #3
    GrandPrix Junkie SgtMarshal's Avatar
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    Default Re: Monsoon rear speakers, any good

    they are made of paper and the glue becomes unadhered, or the paper becomes brittle and when the volume goes up it cracks. I would say it's a poor design, but those issues don't seem to affect everyone.

  4. #4
    GTX Level Member Sudden's Avatar
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    Default Re: Monsoon rear speakers, any good

    Is there a good speaker that I can get that isn't a task to put in?
    2005 Grand Prix GTP CompG. Overkill PCM, ZZP S2 I/C, ZZP MPS W/ 3.3" pulley, 1.9 YT rockers, 42.5# injectors, Moroso wires and AL104 plugs, 180 Thermostat, LS4 MAF.
    Front PLOG, Rear PLOG, crossover, all ceramic coated. ZZP 3" Downpipe and 3" exhaust pipes with Borla S-Type mufflers.

  5. #5
    GrandPrix Junkie SgtMarshal's Avatar
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    Default Re: Monsoon rear speakers, any good

    if you want to reuse the oem wire harness then no

  6. #6
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    Default Re: Monsoon rear speakers, any good

    https://www.crutchfield.com/p_108R96...m&awug=9003307

    This is the best affordable option its not too bad of an install. I (hopefully) will have a write up soon on the install.

    Also, when installing linked speakers do not use the crossover that comes with them. The Monsoon system has a crossover in the Amp that handles it and using the extra crossover messes with sound balancing.

    Sent from my ASUS_Z00TD using Tapatalk

  7. #7
    I can't car too good. SaukRapids's Avatar
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    Default Re: Monsoon rear speakers, any good

    Quote Originally Posted by nox View Post
    I (hopefully) will have a write up soon on the install.
    Nice. Look forward to it.

  8. #8
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    Default Re: Monsoon rear speakers, any good

    I've got infinity kappas wired to plug directly into the factory speaker plugs if you're interested.
    You need to cut the tweeter wire and run them to one terminal and the woofer to another.

    Mike

  9. #9
    GTX Level Member Sudden's Avatar
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    Default Re: Monsoon rear speakers, any good

    Good, any advice is appreciated.
    2005 Grand Prix GTP CompG. Overkill PCM, ZZP S2 I/C, ZZP MPS W/ 3.3" pulley, 1.9 YT rockers, 42.5# injectors, Moroso wires and AL104 plugs, 180 Thermostat, LS4 MAF.
    Front PLOG, Rear PLOG, crossover, all ceramic coated. ZZP 3" Downpipe and 3" exhaust pipes with Borla S-Type mufflers.

  10. #10
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    Default Re: Monsoon rear speakers, any good

    Before doing any kind of write up, the best thing to do when wiring in the rear, pay attention to which wires on the factory plug went to Woofer and which to tweeter. IIRC the way the plug on factory speakers works you can't really clip it off to splice in, but you can make your own wires that will connect stably to the wire harness.

    Sent from my ASUS_Z00TD using Tapatalk

  11. #11
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    Default Re: Monsoon rear speakers, any good

    Quote Originally Posted by Sudden View Post
    I have a 2005 GTP with the Monsoon system. Are the rear speakers good or poor. Is there an easy way to upgrade them?

    TIA, Patrick
    Any update Sudden? You wouldn't think you would have to take the back seat out to replace the rear speakers but....

  12. #12
    GTX Level Member Sudden's Avatar
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    Default Re: Monsoon rear speakers, any good

    Yeah, I looked at it. It isn't worth it to me at this time. My speakers are OK I just thought I might upgrade them. I put speaker baffles over them and reset the balance. I'm pretty happy now.
    Quote Originally Posted by svanwormer View Post
    Any update Sudden? You wouldn't think you would have to take the back seat out to replace the rear speakers but....
    2005 Grand Prix GTP CompG. Overkill PCM, ZZP S2 I/C, ZZP MPS W/ 3.3" pulley, 1.9 YT rockers, 42.5# injectors, Moroso wires and AL104 plugs, 180 Thermostat, LS4 MAF.
    Front PLOG, Rear PLOG, crossover, all ceramic coated. ZZP 3" Downpipe and 3" exhaust pipes with Borla S-Type mufflers.

  13. #13
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    Default Re: Monsoon rear speakers, any good

    Quote Originally Posted by Sudden View Post
    Yeah, I looked at it. It isn't worth it to me at this time. My speakers are OK I just thought I might upgrade them. I put speaker baffles over them and reset the balance. I'm pretty happy now.
    It's really not bad but I did struggle on the 1st one I did. You pull a "T" handle under the seat on each side to release the bottom. Take out 4 (I think) 18mm bolts that hold the bottom of the seat back. Then you fold the seat back down and take out the 10mm bolts. This allows you the lift up the rear deck enough to reach in there and get the speakers out. Yes they come out thru the top. If you decide to do it, you will be happy with the results. The stock Monsoon speakers really are crappy paper cone ones.
    2004 GT1 w/GXP wheels

  14. #14
    I live far away. WarStryker13's Avatar
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    Default Re: Monsoon rear speakers, any good

    There's multiple ways, you can even go through the trunk to get at them. A lot more difficult, but it's been done before. (this guy)

    Handling upgrades, go-slow parts, and an attitude.

  15. #15
    I can't car too good. SaukRapids's Avatar
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    Default Re: Monsoon rear speakers, any good

    Revisiting this per request. I gather that Monsoon in many different makes/models changed to a 2 Ohm component system "later on." (04+ probably)

    Wiring in any new 2 Ohm 6x9 component speaker should work and looks straightforward.

    Does anyone know the actual output of the Monsoon amp?

    I don't see the need to buy expensive speakers if the amps like 40w RMS, lol.

  16. #16
    I can't car too good. SaukRapids's Avatar
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    Default Re: Monsoon rear speakers, any good

    Quote Originally Posted by Mike The Canadian View Post
    You need to cut the tweeter wire and run them to one terminal and the woofer to another.
    Quote Originally Posted by nox View Post
    the best thing to do when wiring in the rear, pay attention to which wires on the factory plug went to woofer and which to tweeter.
    Probably just going to try this because it looks like a cheap alternative. Should be okay?

    https://www.youtube.com/watch?v=H1EkwZgVjz4 (using 6x9's instead)

    Edit: No need to watch whole thing. Description is very beginning.

  17. #17
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    Default Re: Monsoon rear speakers, any good

    Is just get component speakers. Monsoon amps handle crossover by themself, so pushing sound through extra crossovers can seriously mess with your sound.

    Take the car side plug while still attached to the speaker, trace wires to tweeter, label them.

    If you want to keep your factory plug, use side-by-side connectors to attach.

    Sent from my ASUS_Z00TD using Tapatalk

  18. #18
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    Default Re: Monsoon rear speakers, any good

    Quote Originally Posted by SaukRapids View Post
    Revisiting this per request. I gather that Monsoon in many different makes/models changed to a 2 Ohm component system "later on." (04+ probably)

    Wiring in any new 2 Ohm 6x9 component speaker should work and looks straightforward.

    Does anyone know the actual output of the Monsoon amp?

    I don't see the need to buy expensive speakers if the amps like 40w RMS, lol.
    They are around 40 RMS per Channel depending on which monsoon amp. Some go upwards of 60. Is advise infinity Reference speakers. They can be had for 150ish online for a full set of tweeters and woofers. They are a good entry level speaker for the monsoon system.

    Sent from my ASUS_Z00TD using Tapatalk

  19. #19
    I can't car too good. SaukRapids's Avatar
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    Default Re: Monsoon rear speakers, any good

    Looked around in there. 4 Ohm speakers I guess. I see what you mean about the wires.




  20. #20
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    Default Re: Monsoon rear speakers, any good

    Yeah, it seems towards the end, they were kind of just throwing in what the had laying around.

    Also, from what research myself and others have done, the monsoon uses different impedance at different speakers, even though its designed for a two ohm setup. Supposition and best guesses have lead to the belief this was due to poor woofer quality, meaning the OEM spec speaker would not work well, either through sound blowout or distortion being a paper cone design.

    Sent from my ASUS_Z00TD using Tapatalk

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