Boom Mat 6-3/4" Speaker Baffles

Protect your speakers
Regular and slim-line sizes (Regular: 4-1/4" depth)

  • Boom Mat 6-3/4


  • Boom Mat 6-3/4

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Item #: 696B050340

Review Summary

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Our take on the Boom Mat 6-3/4" Speaker Baffles

by Buck Pomerantz

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.

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Priced per pair

Hands-on research from the Crutchfield Labs (what are the Labs?)

Product Research
What's in the box?

  • Two acoustic foam baffles for 6.75" speakers

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 open the box, verify contents, 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.


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: 6.75"
  • Minimum Cutout: 6.8125" x 6.8125"
  • Maximum Depth: 4.75"
  • Thickness: 0.25"
  • Flange Size: 7.625" x 7.75"
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Boom Mat 6-3/4" Speaker Baffles Reviews

Average Customer Review:

7 people say:

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4 out of 5


Written By Stan, Michigan on Friday, August 15, 2014
Crutchfield Customer Review (What's this?)
good product increases sound quality and output and lenthens the life of the speaker
easy to install
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4 out of 5

05 Jeep Wrangler

Written By ErinB, Charleston, SC on Friday, May 02, 2014
Crutchfield Customer Review (What's this?)
Replaced factory Jeep sub. There was a lot of air space, in such a small enclosure. These were the perfect size to solve that issue.
Slim-line are perfect size for Jeep sub box
no complaints
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1 out of 5

Stupid me

Written By everyone is an expert, minneapolis on Thursday, April 24, 2014
Crutchfield Customer Review (What's this?)
Unfortunately I used to work in plastics and injection molding. I am not amused or impressed. I purchased these only to prevent damage from water leaking onto the new speakers. Acoustically I should know better. The full or slimline will work in my car. I give these a 1 because Crutchfiled got the correct part in the box. They were only mildly crumpled up. The order was on time enough and I am happy so far with the other items. I got 6.75" speakers and 6.75" BOOM BOOM MATS. But for some reason the speaker falls to the bottom of the baffle and misses the flange one is instructed to trim. STUPID ME. Fortunately, knock on plastic, there is no trace of rain leaking into my doors after 14 years. There is actually stock noise damping insulation and sealing in the door already. I would send these back. However, the extra pollution for $10 is just not worth it. If nothing else I can wear them as dunce caps for not analyzing properly.
These might make okay planters to sprout seeds in. Lightweight food and water dishes for the dog. Might be dishwasher safe and microwaveable. Might be able to cut them and use them in a loudspeaker/horn cabinet.
Have not figured out how to suffocate myself with them yet.
3 out of 5 people found this helpful
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3 out of 5

Boom mat seems like a gimmick

Written By Chris, Arkansas on Sunday, July 28, 2013
Crutchfield Customer Review (What's this?)
Probably wasn't needed but used a set to try them out. There was a lot of air space where I used them, so basically used them to reduce it.
Supposed to protect the speakers from the elements
Making holes in them to mount the speakers. Pretty much have to install the speaker twice.
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5 out of 5

Boom Mat 6-3/4" Speaker Baffles

Written By Jason, Lacona ny on Friday, April 26, 2013
Crutchfield Customer Review (What's this?)
Good quality great value. Fast shipping
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5 out of 5

Must have for door speakers

Written By Kestas, Frisco TX on Thursday, April 09, 2009
These are a must have for door speakers. They reduce road noise and give a more consistant base with a much fuller rich sound.
8 out of 8 people found this helpful
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5 out of 5

Easy to install

Written By Duncan, Albuquerque,NM on Monday, November 10, 2008
This product is a great way to protect the new speakers in your car door from the weather, as well as providing better sound. It is very easy to put this product behind the speaker just before you install the speaker.
15 out of 15 people found this helpful
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For a more in-depth review and enhanced detailed information on the Boom Mat 6-3/4" Speaker Baffles, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_696B050340/Boom-Mat-6-3-4-Speaker-Baffles-Regular-4-1-4-depth.html ).

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Regular and slim-line sizes