Passive Noise Control: Advanced ear cup enclosure naturally isolates and eliminates ambient noise for a uniquely pure listening experience. AirBraid Geometry: Remarkably high strength multi-braid wire insulation geometry provides elite protection for conductors while simultaneously reducing noise and distortion for smooth, clean sound. AirBass Suspension: Exclusive ear cup enclosure with a well-crafted elastic air cushion suspension provides superior comfort and performance. PowerShell: Robust, lightweight and reliable ABS headphone construction means the headphones last longer and perform at their absolute best for their whole long lifespan. BassX: State-of-the-art powerful extended bass provides precise low frequency performance.