Pioneer's SE-MJ503T over-ear Headphones feature a 30mm neodymium speaker driver that provides a high quality tonal balance, letting you listen to your favourite music the way it was meant to be heard. A playback frequency of 10Hz to 24,000 Hz with an output level of 100dB ensures dynamic beat reproduction and the gold-plated, 3.5mm stereo mini-plug ensures excellent contact and outstanding audio transmission.