The David Clark company says: Guaranteed to be the most comfortable noise-attenuating (passive) headset you will ever wear. You have to try it to believe it. It's incredible. · Extremely lightweight, only 13.4 oz. · Certified noise reduction rating, 23 dB · Drastically reduced headband force · Super soft, foam filled pillow headpad · Straight cord (5') with dual plugs · Plus all the standard features and a universal flex boom with our exclusive M-7A Amplified Electret noise canceling microphone.

Available in Mono and Stereo models