The Professional StandardThe Pioneer HDJ-X10s are the world's first DJ headphones to produce high-resolution sound ranging from 5 Hz to 40 kHz, allowing you to hear frequencies other DJ headphones can't reproduce. Make an even deeper connection to the music. The polyurethane leather ear pads and headband cushion are resistant to deterioration thanks to the use of nano coating, so you can easily wipe off sweat and dirt. The HDJ-X headphones are designed to be flexible. Their swivel mechanism allo