Dynamic hi-fi stereo headphones with closed-back design that are perfect for live sound recording engineers, DJs, or hi-fi enthusiasts. They are equipped with 40 mm driver units with 10 mm actuators, an independent passive volume control and a 4 m long cable with 3.5 mm gold-plated stereo mini-plug. Headphones are ROHS compliant and offer a frequency response of 20 Hz-20 kHz, with sensitivity of 102 dB/mW. One 6.3 mm gold-plated stereo phone plug adapter is included. Impedance: 32 Ohm. Power handling: 500 mW. Weight: 315 g.