The Audio-Technica ATH-LS50iS “Live in-ear headphones deliver the sonic realism that will have you cheering like your in the front row.The two 8.8 mm drivers are serially situated within each housing and driven simultaneously to reduce diaphragm distortion and generate a balanced sound with deep, rounded bass and clear mid and high frequencies.The housings are constructed of durable ABS resin that helps to reduce unwanted resonance, and the eartip posts are angled to provide a comfortable, sound-isolating fit.Within the posts are specially designed acoustic sound pipes, fashioned from stainless steel and high-durability resin, to guide the music to your ears with improved high-frequency response.The ATH-LS50iS comes with a detachable 1.2 m (3.9\') cable with A2DC (Audio Designed Detachable Coaxial) connectors at the headphones for exceptional durability and audio performance.The cable is equipped with an in-line mic and controller for handling phone calls and music and video playback.The flexible memory cable loops around the ears for a custom fit that is enhanced by the four sizes (XS, S, M, L) of included eartips.