Can you tell me the speaker size for a 2004 Honda Civic sedan?

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3 answers

★ Top Answer

Steven R. Feb 22, 2021

The 2004 Honda Civic sedan has different speaker sizes depending on where they are located in the car. The speakers in the front driver and passenger side doors are 6 1/2 inches each, and the ones in the rear deck corners are 6 x 9 inches each. There are also tweeters in the front doors. If you need to replace the speakers, prices for parts can range from $43 to $238, varying based on the brand and type.

More answers

Alexander J. May 14, 2020

The 2004 Honda Civic sedan has front door speakers that are 6.5 inches in size. In the rear deck corners, you will find speakers that measure 6 x 9 inches, along with tweeters located on the front door as well.
Elias L. Jun 28, 2022

The information provided is not entirely accurate for the lx sedan regarding speaker upgrades. The door can accommodate a 5.25 speaker with the option to expand to a 6.5 speaker using an adapter bracket, as long as the speaker does not have a large magnet that could interfere with the window. I would recommend considering slim mount coaxial speakers like the Infinity Reference for improved sound quality, especially when paired with the underrated stock stereo system, which surprisingly sounds decent, being an Alpine brand. Other speaker options that fit both sizes include Kickers and Polk DB6522.

For the rear speaker opening, a 5.25 speaker wired with a low-pass crossover is suggested to maintain a balanced sound stage up front. Upgrading to higher-quality full-range speakers like JBL Club or Infinity Reference is advised, but keeping them wired with the stock configuration is recommended, particularly if an external amplifier is not added. The OEM deck supports hi-res FLAC files and can play Bluetooth and MP3 files with an adapter, so replacing it may not be necessary when paired with the mentioned aftermarket speakers due to their high sensitivity rating of 93 dB+.

Adding sound deadening material to the doors is highly recommended, as this model is prone to excessive road noise and a lack of optimal sound quality. By modifying the doors with baffles, speaker foam, and sound deadening material to seal them properly, you can significantly improve the audio without breaking the bank. In the event of amplifying the audio system, running new speaker wire is advised, as the stock wire may not handle the increased wattage from an aftermarket amplifier efficiently, given its small gauge size of around 17 or 18.

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