Pioneer dj HDJ-X10-K

Pioneer's HDJ-X10K are monitoring headphones designed for professional DJs, capable of delivering perfect sound in all circumstances, whether in the studio or in the club.
The bandwidth is among the widest on the market, as the headphones go down to 5Hz and up to 40kHz!
The imitation leather earpads are ultra-resistant, yet provide excellent listening comfort.
The headphones have been designed to withstand the worst conditions of mixing and transport. As proof, it passed the U.S. Army's resistance test with flying colors!