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Bose stero issues

Old Jan 30, 2018 | 07:44 PM
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Default Bose stero issues

hey all. I’m new to the c5, just picked up my 99 a month or so ago. One of my biggest gripes are the speakers, however I think they just need replaced. They don’t put out good sound and sound very distorted.

Can i replace wirh any style speaker of a like size? Should I try to find bose? Or should I just replace everything and upgrade to double din?
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Old Jan 30, 2018 | 08:45 PM
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The Bose door subwoofers cannot be replaced except with an OEM unit. Replacing them with anything other than OEM necessitates replacing the head unit.

The other speakers can be replaced, and they are your standard speakers. The door tweeters are standard 3.5" tweeters. The rear speakers are 6.5" if you have a coupe and 5.25" if you have a convertible or FRC. I went with Kenwoods all around keeping the stock Bose subwoofers and they sound good enough to me for $50 spent.
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Old Jan 30, 2018 | 10:26 PM
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Thanks for the info! It sounds to me like the door speakers are shot, i will try replacing those and see if that helps.
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Old Jan 31, 2018 | 12:03 AM
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Moved to Audio/Electronics Section.
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Old Jan 31, 2018 | 07:26 PM
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Just to clarify, the C5 OEM speakers do not include real tweeters. Bose calls "twiddlers" their plain-cone speakers that act as "tweeter/mid range", so the C5 has 4 twiddlers and 2 subwoofers.

Without a doubt, as suggested by Tsumi, the easiest and least expensive way to upgrade the system with the more bang for your buck is new speakers that can be bolted on in place of the factory ones, keeping the rest of the system intact.

OEM C5 Speaker Sizes:

-Front
Twiddler: 3.5"
Subwoofer: 8"

-Rear Twiddler
Coupe: 6.5"
FRC/Z06/Convertible: 5.25"


Get 3.5" 2-way coaxial speakers to replace the doors' twiddlers and 2-way coaxials of the right size for the rear. Don't touch the OEM subwoofers.

You will need to further verify fitment, but a quick search produced this:

JL Audio Evolution™ C2 Series 2-way car speakers:
  • C2-350X (3-1/2")
  • C2-525X (5-1/4")
  • C2-650X (6-1/2")

Not only they are from the same manufacturer, but they all belong to the same line. This should reasonably assure you they have the same timbre.

You are going to need
<b>this kit</b> this kit
as well. One kit will do both rears.

Last edited by GCG; Jan 31, 2018 at 07:28 PM.
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