Mic features polar pattern and frequency response tailored for intelligible vocal reproduction. Closed-back circumaural ear cups help seal out crowd noise and other background distractions. Neodymium magnets in microphone & headphones for high output level & detailed sound reproduction. Cardioid pickup pattern of the dynamic microphone rejects off-axis sounds. Boom-mounted microphone can be positioned on the left or right side / Rugged design with user-replaceable cable and ear pads