Avionics from Bose - Since Bose introduced active noise reducing headsets to the aviation industry, pilots have made them their #1 preference year after year.
Gupbes HELICOPTER Headset Conversion Cord,Aviation Headset Adapter HELICOPTER Single Plug To GA Dual Plug General Headphone Adapter Cable - Walmart.com
MX ANR Kit - Active Headsets Inc - Active Noise Reduction
Piper Flyer Association - Leading Edge: Active Noise Reduction Upgrade
G2 ANR Headset (Active) – Faro Aviation
ANR Installation Kit [Headsets Inc.] - $176.00 : Sunrise Aviation, On Line shopping
ANR Peltor Headset Retrofit Kit | Aircraft Spruce
ANR CONVERSIONS BY ANRMAN
Best Noise Reduction Headphones (Aviation Headset) - FLYING Magazine
Pilot USA David Clark H10-76 Conversion Kit (PA-75 & PA-5X) – PilotMall.com