Boom Mat 6"x9" Speaker Baffles

Protect your speakers
Regular and slim-line sizes (Slim-line: 3-1/2" depth)

Item #: 696B050381

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25 Reviews

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Boom Mat baffles protect your car's new speakers from moisture and dirt. Mounted behind the speaker, the baffle forms a mounting seal that also improves sound clarity by reducing panel vibration that could transfer to the speaker.

These baffles will protect your speakers. In many applications we recommend that you cut a hole in the bottom of the baffle, or remove the entire bottom of the baffle, to maintain good bass response while still protecting your speaker from dirt and water damage. Call one of our Advisors if you have questions — they'll be happy to share their expertise with you.

Priced per pair

Product Highlights:

Boom Mat 6"x9" Speaker Baffles Reviews

Average Customer Review:

25 reviews
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Great product great price

Written By Ken C, Washington on Friday, August 28, 2015

Crutchfield Customer Review (What's this?)

Great product at a great price, easy to install and does a great job of protecting your speakers

Pros: Great design, good price

Major sound improvement.

Written By Anonymous, Buds, Texas on Sunday, July 05, 2015

Crutchfield Customer Review (What's this?)

Installing these eliminated the rattle at base notes in my Tundra.

Pros: Eliminates rattle

Cons: Require modification to fit.


Written By KATO, Florida on Wednesday, March 11, 2015

Crutchfield Customer Review (What's this?)

Excellent Sounding Material over Speaker.

Pros: Helps Speaker stabilize sound.

Cons: Sometimes it's just speaker adjustment that's needed.

6x9 boom mat

Written By biggsteve, Kansas City, Mo on Monday, January 26, 2015

Crutchfield Customer Review (What's this?)

The boom mat speaker baffles seem to be well made but look like they have been mistreated while in the warehouse. Also seem to have been in said warehouse for a long period of time. Overall still where worth the money.

Pros: insulates against vibration. Helps seal speaker mount.

Boom Mat 6"x9" Speaker Baffles

Written By Anonymous, Harrisonburg, VA on Saturday, August 30, 2014

They help out a lot. Helped tighten the bass in the speaker.

It helps

Written By JL, colorado on Sunday, August 17, 2014

Crutchfield Customer Review (What's this?)

Helps sound quality and ability to get it louder with out distorting. They are thick though and I had problems with depth and rolling down my windows

Pros: -sound quality (less distortion) -sound volume

Cons: -depth


Written By Cheesehead, Pago Pago, American Samoa on Monday, April 28, 2014

Crutchfield Customer Review (What's this?)

These will only work if there is plenty of extra room in the speaker cutout. Unfortunately, that is not the case with the factory cutouts on a 1997 Honda Accord. I had already trimmed the flange to fit, so into the trash they went.

Cons: Will not fit in tight factory speaker cutouts.

Boom Mats for 6x9 Speakers

Written By All Things VeeDub, Paxton, IL on Friday, April 25, 2014

Crutchfield Customer Review (What's this?)

I picked up these boom mats since the 6x9 speakers I had installed in the rear parcel tray in my 69 Beetle didn't seem to have much bass. After the install, seemed to help a bit since the speakers now have their own contained airspace. I used contact cement to glue them on to the underside of the parcel tray, and used a few staples to secure while the contact cement was curing to full strength.

Pros: Cheap, light and easy to install

Cons: Can't think of any cons. I like them enough where I may get some for my front speakers as well.

Helps keep your speakers safe in your door

Written By Kevan, Volcano, HI on Friday, March 28, 2014

Crutchfield Customer Review (What's this?)

I got these because water running down my window was the cause of my old speakers going bad. I first installed them as the manufacture recommends- fully sealed and used rtv to seal off the speaker wire. The bass response was greatly reduced. I ended up doing what Crutchfield and many of the other reviewers recommend and cutting out the bottom to allow ported air. Now it sounds great and still does the job of preventing water from above.

Pros: Does protect your speakers if installed in a door

Cons: The manufactures instructions caused a reduction in speaker performance, you need to cut out the bottom to allow air to the rear of the speaker.

decent product for the money

Written By Toddfuel, o'fallon mo. on Thursday, March 06, 2014

Crutchfield Customer Review (What's this?)

very good product for the money . does what its recommended to do.

Pros: easy installation and keeps speaker from touching metal rear deck

Cons: none

Works Just Fine

Written By Rob K., Pompton Lakes, NJ on Saturday, January 18, 2014

Crutchfield Customer Review (What's this?)

These baffles will keep your new speakers free from moisture when mounted in doors. Just had to poke a small hole to fit the factory wiring up through the bottom.

Pros: Simple to install and with different depth choice these fit Perfect.

Cons: none

A little big

Written By Ryan, Lafayette, La on Wednesday, October 09, 2013

Crutchfield Customer Review (What's this?)

My old lady drives a 2012 Jeep Patriot Sport. 6" x 9" in all 4 doors. There is a piece of plastic trim behind the speakers that needs to be cut out to get these baffles in. They are a little over sized as far as fitting around the speaker which creates the need for finesse while performing the install. But, they are usable and they do make a huge difference in overall sound quality in a positive manner.

Pros: Water resistant material. Makes the speakers sound WAY better.

Cons: Little big and loose around the speaker.


Written By pat m, Amarillo, TX on Monday, October 07, 2013

Crutchfield Customer Review (What's this?)

They look good. I haven't had a chance to install them yet so I can't review on the performance, but as far as the feel and look. I believe they will work great.

Pros: Should work fine

Cons: can't think of any yet

Great product, great price!

Written By AndyL, South Florida on Tuesday, September 03, 2013

Crutchfield Customer Review (What's this?)

These speaker baffles will keep my speakers clear from dust and moisture from the trunk area, as well as keep my highs and mid-tones from reverberating throughout the trunk space. I also bought some circular baffles to keep the moisture and dirt out of my front door speakers. I'm highly pleased with them. If you want to keep your investments clean, get baffles and make sure you measure them correctly before buying and then buy the next deepest baffle. Your bass will be tighter, however, so if you like loud, loose bass you may not like the effect these baffles have.

Pros: Keep speakers clean, tight bass notes, prevents speakers using doors and/or trunk as reverberation chamber.

Cons: If you like loose bass you may not like the effect of speaker baffles.

Not really necessary

Written By Larry M, Los Angeles, CA on Thursday, August 08, 2013

Crutchfield Customer Review (What's this?)

I put these in the speakers I installed on the rear deck of my 2007 Honda accord without porting them and they were absolutely terrible. The speaker could not breath. Good thing I read up on it and many people said to cut a 3 inch diameter hole to let air in and out. I did and it sounded better. With that, I cut just about half of the bottom out. Sounds much much better now. If anything, it serves as a good gasket for the speaker as well as protection from accidentally hitting them when putting things in the trunk. Overall, it does absolutely nothing to enhance the sound. It just protects the speaker.

Pros: Protects the speaker.

Cons: Doesn't enhance the sound at all.

Boom Mat 6" x 9" Speaker Baffles

Written By Michael Z, Janesville, WI on Saturday, June 08, 2013

Crutchfield Customer Review (What's this?)

Excellent Product. They worked well with my speakers and increased their performance alot.

Pros: Fit easily for my speakers.

Cons: None

good water protection very bad sound

Written By mark from knoxville, knoxville on Thursday, August 16, 2012

Crutchfield Customer Review (What's this?)

I bought these for water protection for my kenwood 5 way 6x9's. The baffles killed my sound really bad. Even with large holes cut out of the bottoms. I removed them and my sound came back. With the baffles by expensive speakers sounded like factory sound.

Pros: Water protection

Cons: Kills your sound

speaker baffles

Written By jdmeaux, Lafayette, LA on Wednesday, June 13, 2012

Crutchfield Customer Review (What's this?)

Although these are supposed to be for low profile speakers, I had nothing but interference due to their depth. There is nothing like hearing a squeaking window when you want to put the window open. The problem wasn't the window, but the baffle was rubbing on it.

Pros: directs sounds into your vehicle

Cons: too deep, easily torn

Works for me

Written By Wayne G, Slidell,La on Thursday, May 03, 2012

Crutchfield Customer Review (What's this?)

Had to trim around the case in my door panel, but its a nice touch to help protect and does add to sound quality

Pros: protection

Cons: none so far

Boom Mat 6x9

Written By DK, Charleston, SC on Saturday, February 11, 2012

Crutchfield Customer Review (What's this?)

Ended up removing them. I thought it was worth a try. They may work in other situations, but the rear deck is open to the sub box and you could hear the baffles fluttering so I removed them. The speakers were also a little difficult to install with the baffles in place.

Pros: Nice idea

Cons: Just didn't work for my application.

Boom matt utility

Written By PJB, LA, CA on Tuesday, January 17, 2012

Crutchfield Customer Review (What's this?)

Usless. Used in a speaker box and ended up removing them due to sound issues. Save the money.

Pros: None

Cons: Negative impact on sound (muffled, blurred bass).

Not a bad product so far

Written By John, from PA on Monday, December 05, 2011

Crutchfield Customer Review (What's this?)

I got these 6x9 Boom Mat to protect my door speakers in my '95 Dodge Ram for the most part. After reading the poor reviews on it I gave it a try anyway. I needed to replace my 6x9 door speakers anyway so this time I went with a 6-1/2 round speaker with the 6x9 speaker adaptor plates. The opening for the speaker is near the bottom of the adaptor and some excess material at the top. What I did was take a hole saw and cut a 1-1/2" hole there and made a port,then got my 3-1/2" deep,6x9 Boom Mat behind the speaker and adaptor. It is like I have a ported speaker box. My review is early since I don't have my door panels on yet but decided to gave it a 4 star rating for now.

Boom Mat 6"x9" Speaker Baffles

Written By James, Ansonia, CT on Friday, June 18, 2010

Crutchfield Customer Review (What's this?)

I purchased these for my dodge ram 1500 07' pickup for the doors. I Have dynamat on the doors, but cant access the interior skin to Soundproof so i tried to install these. They fit perfect until i had to Roll the window down, then the gears on the power window touched The baffle. I even purchased the slimeline ones and had to make a Small slice into them for the gear to pass over!!!!! Fit was Perfect again until i reinstalled the door panel and then cranked The stereo up......a full on rattle trap!!!! I guess for a rear deck maybe, But if you have to alter them then return them before you cut them Or you have a high dollar foam speaker ring!!!!!

bass problems

Written By Andy, Detroit MI on Thursday, November 06, 2008

This will keep your speakers clean on the back side but they won't do much to improve the sound. I just bought a new set for the rear deck and thought I'd give these a try. They seal so good they prevent the driver from moving to produce sound. I cut the top ring off and just used for a gasket.

Nice Addition

Written By Pat, Apopka, Fl on Wednesday, September 10, 2008

Crutchfield Customer Review (What's this?)

They help make better sound. Enough said.

Hands-on research

What's in the box?

  • Two acoustic foam slim baffles for 6x9" speakers

Product Research


Overview: These acoustic baffles are designed to be placed behind car speakers to protect the speaker from moisture and dirt which can damage speaker components. Along with providing a sealed chamber, they also form a mounting seal between the speaker and the mounting surface to eliminate panel to frame resonance. Baffles will improve door acoustics by reducing road noise and vibrations transferred to the back of the speaker cone. The baffles are pliable and can be compressed to fit most applications.


  • Speaker Size: 6x9"
  • Minimum Cutout: 6.4375" x 8.5"
  • Maximum Depth: 3.575"
  • Thickness: 0.25"
  • Flange Size: 8.3125" x 10.375"

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

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Regular and slim-line sizes