Feel the pulse of the club with the XB450AP Extra Bass Headphones. The powerful Beat Response Control enhances low frequency sounds and the cushioned earpads let you to listen longer in total comfort. Make hands-free calls with the AP remote and add style with aluminium accents. The bass booster amplifies the low end frequencies through a specially designed duct in the housing, while an improved seal between the driver unit and your ears keeps sound in. Get the bass you crave from 30mm xb driver units enjoy enhanced bass with the balanced rigidity and high response extra bass diaphragm, which maintains powerful performance through hours of listening. 1.2m cord length. Tangle-free cable a durable, finely-grooved serrated cable reduce tangling cord. Separate volume control. Adjustable headband. 30mm driver. Bass control. (not included).