Koss MV1 Professional Studio /DJ Headphone.

MV1 · Professional Studio Quality Studio / DJ  Headphone.
Full Size Stereophone
Frequency Response: 10-25,000 Hz
Professional quality stereophone for the studio or DJ applications
Dynamic element for full frequency response
Titanium coated mylar diaphragms and computer optimized strontium ferrite magnet structures for deep bass and
treble clarity
Oxygen-free copper voice coils for improved signal transmission
Closed, vinyl pneumalite ear cushion for improved isolation and maximum bass
Adjustable, padded headband comfortably fits any head size
Pivoting ear cups for single sided listening and flat storage
Single entry, coiled 8 foot cord
3.5 mm plug and 6.4 mm adapter