Work perfectly, sound great Sony MDR-V500DJ Overview The Sony MDR-V500DJ is a supra-aural headphone featuring swivel ear cups for DJ and re-mixing applications, and includes 40mm diameter drivers for deeper bass, lower distortion and wider dynamic range with a bass response that extends down to 10Hz. Ferrite magnets are utilized for high energy and to produce ample sound output. Reversible ear cups are included for added monitoring flexibility, along with a wide molded headband for long-lasting comfort. The MDR-V500DJ incorporates high-end materials and advanced engineering to deliver critically clean, exceptionally clear sound for professional and high fidelity applications. Supra-aural closed-back stereo headphone ideal for use in professional audio, DJ and re-mix applications 40mm diameter drive units deliver deeper bass, lower distortion and wider dynamic range Swivel and reversible earcups enable single-sided monitoring flexibility Wide, molded headband distributes the headphone's weight over a wide area and the reduced pressure means comfortable listening for hours on end Folding design makes for easy storage and easy portability in a briefcase or equipment bag OFC cable with gold-plated 3.5mm stereo mini plug and 1/4" adapter