Rest-On-Ear, Lightweight, Passive Communication Headset The DC PRO-2 passive headset incorporates outstanding comfort features in a supra-aural, rest-on-ear design. This lightweight, yet extremely durable communication headset is designed for low-noise jet aircraft. Note: As with any passive headset featuring a supra-aural design, the DC PRO-2 is not recommended for fixed wing, piston engine aircraft. The DC PRO-2 was designed for use in the commercial/transport jet aircraft market. Features:� Extremely light, yet rugged alloy headband and suspension Dual volume controls provide independent listening levels in each ear Adjustable suspension assembly for personalized fit Low profile, Outlast� fabric head pad with vented design absorbs excess heat to keep you cool and eliminates 'hot spots' Ultra-soft, Dura-Stitched, leatherette ear seals with supra-aural (rest on ear) design provide personalized fit and eliminate heat buildup for greater comfort Swivel hinge stirrups for secure, comfortable fit High performance, electret microphone for enhanced noise cancelling Full flex boom for precise microphone placement 5-ft. straight cord with dual plugs Collapsible design for compact storage in David Clark branded headset bag (included) Five-year warranty, Made in USA Weight (without cord assembly) 8oz. FAA TSO-C139a Approved DC Part Number, 43106G-01 PLUG TYPE:�This model uses the standard dual plugs for use in virtually all civilian fixed-wing aircraft.