Gear One G100DX Isolation Headphones Black Compact, lightweight and portable design 40mm Neodymium driver Plush leatherette headband and earpads Closed cavity structure Self-adjusting headband Single-sided cable duct The Gear One G100DX is a circumaural (around the ear) isolation headphome designed for playback, monitoring, and recording They're lightweight and have a 40mm Neodymium driver, soft leatherette earpads, and self-adjusting headband The Gear One G100DX is a circumaural (around the ear) isolation headphome designed for playback, monitoring, and recording They're lightweight and have a 40mm Neodymium driver, soft leatherette earpads, and self-adjusting headband