Features Wide dynamic range and frequency response for accurate sound reproduction across the audio spectrum Interchangeable cartridges that provide an optimal choice for each application Rotatable tie-clip that pivots in 90 degree increments for placement flexibility Supplied snap-fit foam windscreen that controls breath noise and stays on securely Balanced, transformerless output for increased immunity to noise over long cable runs Supplied dual tie clip holds two microphones for dual miking applications Recommended for general purpose sound reinforcement, recording, or remote monitoring applications, the WL183 is an omnidirectional lavalier microphone with a 360 degree pickup angle and low handling noise. It has a 1.2 meter (4 ft.) cable terminated with a miniature 4-pin mini connector. Included tie clip can be rotated in 90 degree intervals for placement flexibility. The WL183 is an omnidirectional lavalier microphone purpose built for general sound reinforcement, recording or remote monitoring situations. With a 360 degree pickup angle, low handling noise, and featuring CommShield technology, the Shure WL183 is of exceptional quality and resistant to interference from cellular RF devices and bodypack transmitters. Specifications Type: Condenser (electret bias) Frequency Response: 50Hz - 17kHz Output Impedance: 1800O Sensitivity: -40dBV/Pa Max. SPL: 125dB SPL Self Noise (A-Weighted): 22.5dB SPL Dynamic Range: 102.5dB