Sony MDR7505 Headphones The MDR-7505 is professional stereo headphone designed to meet the needs of professional musicians, broadcasters and DJs on a budget. Their durable and flexible design makes them ideal for recording, control room and live DJ application. The MDR-7505PAC5 consists of (5) model MDR-7505s in a master carton. Designed for professional use Swivel mechanism allows for various wearing positions. Acoustically sealed ear-cup allows for easier listening in loud environments. Excellent power handling (1000mW) 40mm driver for high quality sound. Neodymium magnet for powerful bass and clear highs. Higher sensitivity. Gold-plated, Uni-match connector for universal compatibility with desk top and portable devices. Convenient folding design for easier portability Etendable, LC-OFC coiled cord for low-loss signal transmission.