This Retrofit Kit allows you to upgrade the microphone on older model David Clark H10-Series aviation headset (H10-40, H10-30 etc..) with the more modern M-7/DC Amplified Electret Microphone.
Upgrade is simple and easy because no changes to the boom assembly are required.
To receive 5% off your next order, please apply Coupon Code NEWS5 to your basket. Code valid until 30/4/20. Retail Customers only, cannot be used when purchasing Bose Headsets.
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