Audio-Technica BPHS1 Broadcast Stereo Headset with Dynamic Boom Microphone

Headphones Type: Closed-back Dynamic Microphone Type: Cardioid Dynamic Driver Diameter:40 mm (Headphone) Magnet: Neodymium (Headphone) Voice Coil: Copper-clad aluminum wire Frequency Response:20-20,000 Hz (Headphone)40-20,000 Hz (Microphone) Maximum Input Power:1,600 m W at 1 k Hz Sensitivity:100 d B (Headphone)-57 d B (1.4 m V) re 1V at 1 Pa (Microphone) Impedance:65 ohms (Headphone) 560 ohms (Microphone) Cable:3.3m (10.8') long with 8-pin connector at headset end; 3-pin XLRM-type connector (microphone) and 6.3mm (1/4') phone plug (headphone) outputs Dimensions: Earcup: 82.0mm / 3.22'Headband: 46.0mm / 1.81'Microphone: 180.1x24.0mm / 7.09x0.94' Weight:264g / 9.3oz