Featuring specially designed 15.4 mm HD drivers with a permendur magnetic circuit, and diaphragms with a diamond-like carbon (DLC) coating, the ATH-CM2000Ti in-ear headphones deliver exceptional full-range audio, and are capable of Hi-Res Audio reproduction. Specially designed 15.4 mm HD drivers with a permendur magnetic circuit are capable of Hi-Res Audio reproduction Diamond-like carbon (DLC) coating on diaphragms helps to deliver exceptional full-range audio Rigid, pure-titanium housings reduce unwanted resonance Two detachable 1.2 m (3.9') cables with A2DC (Audio Designed Detachable Coaxial) connectors at the headphones: one with a 4.4 mm 5-pole balanced mini-plug, the other with a 3.5 mm 3-pole stereo mini-plug Includes earpads, hard carrying case, and cleaning cloth Each pair of headphones is individually identified by a laser-etched serial number