AudioTechnica Professional Studio Headphones Features: - Low-profile closed-back, on-ear design provides excellent isolation and fit - Proprietary 45 mm large-aperture drivers (the same used in the ATH-M50x) - Exceptional clarity throughout an extended frequency range - Low-impedance design delivers high output level from any headphone output - Memory foam earpads allow headphones to be worn comfortably for hours - Earpads and headband detach for easy replacement What's in the box headphones