50 mm heavy duty driver for an imposing sound intensity. Tight and powerful bass plus precise and detailed instrument placement. Especially for broadcasters, bass players, and drummers. Box includes 2 detachable cables: one straight (length 3m), one coiled (length >3m) with gold-plated jacks 6.3 mm and gold-plated adapter 6.3/3.5mm. Spare pair of speed-switch ear pads. Demo CD. Transportaion bag.