Audio-Technica BP893CW-TH Omnidirectional Condenser Headworn Microphone The Audio-Technical BP893CW Microwares Condenser Headword Microphone (Beige) features an ergonomic low-profile design that mounts over the ear and yields professional audio results for live performances, broadcast studio applications and more. The BP893CW's low-profile and lightweight design allows for hours of continuous use while remaining hidden and comfortable to wear. The capsule features a wide frequency response, detailed sensitivity response and omnidirectional polar pattern for a generous pickup area. The 1" long flexible boom may be easily positioned for optimum results. The BP893CW features a permanently attached 55" (1.4m) long cable with a locking 4-pin connection compatible with Audio-Technical wireless Unpacks transmitters. The BP893CW is optimized for speech, vocal performances and also fares well as an ear-worn violin / viola microphone. Features: Outstanding clarity and intelligibility Lightweight, ergonomic design Extremely unobtrusive, 1-inch flexible boom Secure over-the-ear placement Extended frequency response for natural vocal reproduction Locking 4-pin microphone output connector compatible with all Audio-Technical Unpacks body-pack wireless transmitters Unsteer filter provides a steep low-frequency attenuation to improve sound pickup without affecting voice quality Specifications: Transducer: Fixed-charge back plate, permanently polarized condenser Polar Pattern: Omnidirectional Frequency Response: 20Hz to 20kHz Low Frequency Roll-Off: 80Hz, 18dB/octave (wired only) Open Circuit Sensitivity: -34 dB (19.9 mV) re 1V at 1 Pa Dynamic Range (Typical): 88dB, 1kHz at Max SPL (wired only) Signal-to-Noise Ratio: 68dB, 1kHz at 1 Pa Maximum Input Sound Level: 114dB SPL, 1kHz at 3% T.H.D. Power Requirements: 11-52V DC, 2mA typical (wired only) Current Consumption: 0.1 mA typical at 5V (wireless only) Output Impedance: 245 ohms (wired only) Output Connector (Power module): Locking 4-pin Switch: Flat, roll-off (wired only) Voltage Range: 2.5-11V (wireless only) Cable: 55" / 1.4m Dimensions (Diameter): Microphone: 0.32x0.10" / 8.1x2.6mm, Boom: 1.04x0.04" / 26.4x1.02mm, Power module (wired only): 3.84x0.74" / 97.6x18.9mm Weight: Microphone, boom & earpiece: 2.0g / 0.07oz