The Pioneer DJ HDJ-S7 Professional DJ Headphones White employs custom-developed 40mm drivers providing high-resolution audio fidelity. The HDJ-S7 DJ Headphones are the perfect choice of the DJ on the move providing the perfect balance between comfort practicality and portability. The HDJ-SZ Headphones include a swivel-mechanism designed for versatile monitoring capabilities. The headphones boast an integrated bass reflex chamber for improved low-end response and superior noise isolation. The wide frequency range coupled with the 4 core twisted-structure cable provides exceptional stereo imaging capturing every nuance of your source audio. The headphones also come complete with two detachable cables and robust hard case.