Pioneer Pro DJ, Black, (HDJ-X5-K Professional DJ Headphone). Hear your tracks loud and clear in the booth and on the move with the HDJ-X5. By taking on board feedback from DJs and analysing many different styles of monitoring, we've made sure our new DJ headphone range includes all the features needed for performing at every level. Thanks to the high-quality audio design inherited from our previous professional DJ headphones, you can enjoy distortion-free monitoring, even at high volumes, wherever you go.