The black Pioneer HDJ-X7 Professional Over-Ear DJ Headphones deliver the precision audio quality and durability professional DJs depend on, and are capable of producing frequencies from 5 Hz to 30 kHz. The HDJ-X7 feature 50mm drivers designed with a diaphragm shape and voice coil that optimizes tight bass notes and clean high frequencies. The bass reflex chamber provides a deep bass response and sound insulation, while the 4-core twisted-structure cable offers remarkable left and right channel separation. Key Features Large 50mm Drivers Frequency Response: 5 Hz to 30 kHz Remarkable Left and Right Separation Bass Reflex Chamber for Deep Bass What's in the box 1x Pioneer DJ HDJ-X7 Professional Over-Ear DJ Headphones (Black) 1x 1/4" Stereo Plug Adapter (Threaded) 1x Coiled Cable 1x Straight Cable 1x Carrying Pouch