Audio-Technica AT889cW Noise-cancelling Condenser Headworn Microphone Terminated with locking 4-pin connector for A-T UniPak body-pack wireless transmitters. 55" (1.4 m) cable. Rugged, moisture-resistant construction designed for aerobics instruction and other demanding applications. Includes windscreen and cable clip. The Audio-Technica AT889cW Noise-Cancelling Headset Condenser Headworn Microphone is a form fitting condenser headset microphone. The cable terminates to a 4-pin connection, compatible with Audio-Technica UniPak transmitters. The AT889cw features noise cancelling properties, providing quality performance in highly ambient environments. The microphone is ideal for presentations, aerobics and fitness applications and more. Specifications: Transducer: Condenser Polar Pattern: Noise-cancelling Output Connectors: TA-4 Pad: No Low Frequency Roll-Off: No Cable length: 5' (1.4m)