Sol Republic's 1601-30 Master Tracks Over-Ear Headphones, in gunmetal, are the first interchangeable over-ear headphones to deliver incredible sound, design, and performance. Whether you listen to EDM, country or hip-hop, Master Tracks are engineered to deliver true sound you can feel. Our newly developed X3 Sound Engines deliver an immersive music experience balanced with powerful bass, clear highs and vocal accuracy. The lightweight construction is designed for enjoying music in comfort for hours. Adjustable SonicSoft Speaker cushions provide the perfect fit for optimized noise isolation. Constructed of an advanced polymer compound, the FlexTech Sound Track headband is built to withstand heavy abuse. Twist it, bend it, drop it - it's not going to break on you. Control your calls and your music with the touch of a button. The three-button remote lets you adjust the volume, pause/resume/skip music tracks and answer/hang-up calls. Plus, the high clarity mic captures every word.