Bright-chrome all metal frame

A ribbed foam head pad and metal adjustable chrome head band

Mat black domes with soft foam compressive ear seals

Mono/Stereo on one ear and volume control on the other

Free Deluxe adjustable flexible mike boom with free mike muff

Noise cancelling electret microphone

Gold plated communication cable plugs for better contact resulting in noise free audio

NR Rating : -26 db

Frequency response : 20-17.000 Hz

Speakers : Impedance 150 Ohm/mono 300 Ohm/stereo

Frequency sensitivity : 101 db

Microphone: frequency response 300-8000 Hz

Source resistance : 220-2200 Ohm