Boom Mat 5-1/4-inch Speaker Baffles

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

  • Boom Mat 5-1/4-inch Speaker Baffles


  • Boom Mat 5-1/4-inch Speaker Baffles

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Item# 696B050321

Review Summary

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Our take on the Boom Mat 5-1/4-inch 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.


Priced per pair

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

Product Research
What's in the box?

  • Two acoustic foam slim baffles for 5.25" 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: 5.25"
  • Minimum Cutout: 6.0625" x 5.8125"
  • Maximum Depth: 2.6875"
  • Thickness: 0.25"
  • Flange Size: 7" x 6.75"
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Boom Mat 5-1/4-inch Speaker Baffles Reviews

Average Customer Review:

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5 out of 5

Boom Mat 5-1/4-inch Speaker Baffles

Written By Will, Baltimore, MD on Monday, March 03, 2014
Crutchfield Customer Review (What's this?)
Great product. I used these for installation of some speakers for the dash of my Jeep Wrangler. A little ingenuity got them installed and they help the speaker to sound great as well as keeping debris from entering into the back of the speaker.
good idea for keeping out debris and assisting the speaker in realizing its full potential
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3 out of 5

Boom Mat

Written By Anonymous, Columbia, SC on Tuesday, September 17, 2013
Crutchfield Customer Review (What's this?)
Installed these in the rear speakers on roof of a 2001 jeep cherokee. They were a little too deep so I cut out the back of the baffles and used them for framing the installation and eliminating rattles.
Thick material - maybe too thick
muffled sound, check your depth
1 out of 1 people found this helpful
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5 out of 5

Easy install

Written By Lucas M, Knoxville, TN on Sunday, June 23, 2013
Crutchfield Customer Review (What's this?)
Use is pretty self explanatory. Seemed to fit pretty decent with mounting brackets.
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3 out of 5

Reduce "boomy sound"

Written By Dave_in_Rio_Rancho, Rio Rancho, New Mexico on Saturday, November 29, 2008
The baffles do what they are supposed to do - isolate the speakers. Contrary to what is said in the description, the purpose of these baffles is to tighten up the lower midrange by "reducing the size of the enclosure". That is why you use enclosures for trunked mounted speakers so they won't sound "boomy."
28 out of 30 people found this helpful
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For a more in-depth review and enhanced detailed information on the Boom Mat 5-1/4-inch Speaker Baffles, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_696B050321/Boom-Mat-5-1-4-inch-Speaker-Baffles-Slim-line-2-1-2-depth.html ).

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Regular and slim-line sizes