Deluxe Stereo Headphones - Closed-back, circum-aural headphones for professional monitoring and a wide range of other audio applications: DJs, Hi-Fi enthusiasts etc. # 40 mm driver and high sensitivity neodymium magnet - Circum-aural ear pads w/ maximum attenuation of external noise - Adjustable, padded headband - High-grade cable materials - Impedance: 32 Ohms (@1Khz) - Sensitivity (SPL): 102dB/ mW (@ max.power) - Power Handling: 300mW (max.rated) - Frequency response: 20 Hz to 20,000 Hz - Cord: 1.2 to 4.0 m/ 4 to 15 ft. coiled cable w/ 3.5 mm (.125 in.) Ø gold plated stereo mini-plug - Weight: 335 g / 11.8 oz (including cord).