The 2004Cadillac DeVille has several different size speakers installed in the car starting with the front door panel there are 1" tweeters, 6.5" full range in front door panel, 5.25" full range in rear door panel, 8" subwoofer in rear and 6x9" full range in rear deck lid. The sound system in the car is excellent and features a Kenwood receiver and RockFord Fosgate speakers which are one of the top quality speaker brands in the car Audio business. The cost for replacement speakers will vary depending ont he size You need but will range from $50 - $150 per speaker as estimated by OEM dealers. You can also get speakers that are aftermarket for a cheaper price if that's what Your looking for.
Stanley C.
April 13, 2020
The 2004 cadillac deville has size 5 1/4" speakers in the front and rear doors and a 10" speaker in the rear deck center.
Dan C
November 17, 2020
The 2004 Cadillac DeVille speaker size is 5 1/4"
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