Untested but 30 day warranty if they don’t work ship them back on me! The David Clark H10-40 Aviation Headset Dual Plug is a high-quality headset designed for general aviation aircraft, including Cessna, Piper, Beechcraft, Mooney, and Boeing. It features a dual plug connectivity with ear-cup design for optimal noise reduction and comfort. The headset also includes adjustable headband and foam ear seals for a customized fit. Made in the United States by David Clark, this aviation headset is a reliable and durable option for pilots seeking superior audio quality and clarity in the cockpit.
eBay