Hobbs Flyer H2 Passive Click HERE for more information! The Hobbs Flyer H2 Passive is an insanely comfortable aviation headset featuring the classic, bullet-proof design that pilots know and love but updated with modern features for today's pilot. Features include music input, noise-canceling electret microphone, dual volume controls, stereo/mono capability, and the lasting durability that pilots expect - all at an unbeatable mix of performance and value.