Audiotechnica Broadcast stereo headset with dynamic boom microphone

Microphone features polar pattern tailored for natural sound
Highly intelligible vocal reproduction
Closed-back circumaural ear cups help seal out crowd noise
Neodymium magnets in microphone and headphones
Rugged design with user-replaceable cable and ear pads
Cable termination: 3-pin XLRM-type connector for mic & 1/4" for headphones

Headphones
Type Closed-back Dynamic (Headphone)
Cardioid Dynamic (Microphone)
Driver Diameter 40 mm
Magnet Neodymium
Voice Coil Copper-clad aluminum wire
Frequency Response 20-20,000 Hz
Maximum Input Power 1,600 mW at 1 kHz
Sensitivity 100 dB (Headphone)
-57 dB (1.4 mV) re 1V at 1 Pa (Microphone)
Impedance 65 ohms
Weight 264 g (9.3 oz)
Cable - Detachable 3.3 m (10.8') long with 8-pin connector at headset end; 3-pin XLRM-type connector (microphone) and 6.3 mm (1/4") phone plug (headphone) outputs
Accessories Included 3 windscreens; spare connector screw
Microphone
Frequency Response 40-20,000 Hz
Impedance 560 ohms
Dimensions 180.1 mm (7.09") long (boom), microphone extended;
24.0 mm (0.94") diameter (microphone)