Shure SRH440 Stereo Headphones - closed recording/live headphones, dynamic, neodymium driver, 44 Ohms rated impedance, 500mW maximum input, 10Hz-22kHz, 105dB/V sensitivity, 3m removable jack cable with stereo mini-jack and screw-on 1/4" jack adapter, includes bag. Weight: 272g (excluding cable)