CAD Astatic 220VP Continuously Variable Boundary Microphone (Black)

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Variable Polar Pattern Installation Boundary "Button" Microphone Black Miniature installation, continuously variable polar pattern, button-style, condenser boundary microphone desi gned for surface installation. Special attention has been given to design the 220VP to resist interference from cell phones, two-way communication, and other RF devices. The integral 80Hz, 12dB/octave high-pass filter removes unwanted low-frequency energy to improve intelligibility. The all metal, threaded body and shock-absorbing bushings make for easy installation in surfaces up to 3" thick. For remote polar control add the VPC-1 or a compatible DSP.Features: Continuously-variable polar pattern control Securable polar-pattern control All-metal housing suitable for commercial applications Mounting hardware included RF (radio frequency) Resistant Architecture Integrated high-pass filter for elimination of unwanted low-frequency energy Conforms to RoHS Specifications: Operating Principal: Permanently-Biased Condenser Polar Pattern: Continuously Variable Frequency Response: 90Hz - 17KHz Sensitivity: -32dBV (25 mV) @ 1 Pa Impedance: 125 ohms Max SPL: 120dB Self Noise: 29dBA Power Requirements: P12, P24, P48, 4mA Show more