Features:

• Battery Power Module - One 9 volt battery for up to 25 hours of operation.
• Super-Soft, Double Foam Headpad.
• 'Undercut' comfort gel ear seals.
• Pilot Selectable Automatic-Shut.
• Quick-release cord so that headset can be used as optional panel mount.
• Lightweight at 17 oz.
• Exclusive, patented flex/wire boom for easy, precise microphone placement.
• M-7A noise canceling electret microphone provides clear, crisp transmission.
• Stereo compatible for use with stereo intercom and cabin entertainment systems.
• Dual volume controls let you adjust the level for each ear.
• NRR - 23 dB passive noise reduction plus 17 dB to 22 dB when ENC is turned on.
• David Clark's 5-Year Guarantee.
• FAA TSO Approved C57 Cat. B and C58a.