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Oregon Aero Micmuff Microphone Covers

From $18.50 to $18.65
Description Part Number Price Buy
Amplified Dynamic MicMuff Mic Cover
Electret MicMuff Mic Cover
Military Dynamic (M-87) MicMuff Mic Cover
Subtotal $0.00
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The MicMuff® Microphone Cover lets a noise-canceling microphone do its job above 97dB. Eliminates ambient cockpit noise and noise from radios and intercom. The noisier the cockpit (warbirds, open cockpit, large engine aircraft), the more dramatic the improvement in noise reduction and clarity. The MicMuff® Microphone Cover must be used on all headsets installed in the communications system. Soft, washable leatherette cover over foam sleeve creates chamber around microphone. Cockpit noise has limited access to microphone cartridges, but voice enters easily through holes in a leatherette cover. Elasticized tie ensures it won’t blow away.

Note: Every headset microphone used in an intercom system must have the micmuff installed in order for the micmuff to be effective! The only exception is the push-to-talk intercom system.


MicMuff Microphone Covers fits:

  • #90010 for Amplified Dynamic microphones
  • #90015 for Electret Type microphones
  • #90020 for Electret Type microphones
  • Reviews

    The Mic Muff significantly reduces noise and increases the ability of the mic to handle a noisy environment. It is a must in warbirds and open-cockpit aircraft.

    Brian L Verified Purchase


    June 4, 2022

    Eddie F Verified Purchase


    May 2, 2022

    Helps with background noise in very noisy homebuilt airplane cockpit.

    Paul E Verified Purchase


    September 8, 2021

    I have used these products in the past and the fact that I am ordering some more speaks for itself. I also had the usual prompt service from Aircraft Spruce.

    Winston R
    August 4, 2020

    I have been using Oregon Aeros Mic Muff for a couple decades. Nothing else works in warbirds, open-cockpit aircraft, and other high-noise aircraft. New headsets always mean new orders for Mic Muffs.

    Lloyd A
    May 17, 2020

    All good

    February 6, 2020

    Work as advertised on my Zulu 3

    Sebastian P
    October 29, 2019

    Big improvement on the Bose a 20 flying open cockpit it’s probably as good as it’s going to get

    Bernie H
    June 18, 2020


    Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

    Q: How do your Part Numbers: 11-10937 11-10938 11-10939 Align with Oregon Aero SKUs: 90010 90015 90020 ?

    These part numbers are exact matches respectively. We order them from Oregon Aero under these part numbers.

    Q: Does it fit over Bose headset microphone?

    Yes, the electret microphone version will fit over the Bose A20 microphone.

    Q: Which part # works with the David Clark headset H10-13.4?

    The H10-13.4 has an electret microphone, so the correct mic cover # would be 11-10938.

    Q: What Mic muff should I order for Lightspeed Zulu?

    For the Lightspeed Zulu, please use part # 11-10938.

    Q: Would this be the correct cover for the M-7A?

    Yes, P/N# 11-10938 is correct for the David Clark M-7A.

    Q: Hi. Which cover for the David Clark H10-13S? Thanks!

    Use 11-10938 for the H10-13S.

    Q: Will this leather mic cover fit a rugged radio air 200A headset?

    You would want part number 11-10938 for that headset.

    Q: Which part # for the Bose X?

    We recommend part # 11-10938 for the Bose X.

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