The ANR Adapter is a product that will transform a current aviation headset into a high-tech active noise reduction unit. The ANR Adapter comes as a kit and includes a pair of inserts that fit more than 20 different headset models.
AMP Cable (Audio + Mic + Power) The standard anr upgrade kit comes with a 6' long add-on power cable which tie-wraps to your original audio cable, and it requires that you drill a 1/4
Avionics - Headset Accessories - ANR Retrofit Kit
