CAD Astatic RF Resistant Mini-Boundary Button Condenser Microphone ~ Black

Miniature installation button style condenser boundary mics for use in teleconferencing or voice lift sound reinforcement. Other applications include surveillance, ambient recording or audio observation. Improved RF immunity to greatly reduce susceptibility to radio interference from mobile phones, PDA or similar two-way communication devices.

Available in omnidirectional in white (202RW) or cardioid in black (201R). Metal nut/washer hardware supplied.

Specifications:
Operating Principal Permanently-Biased Condenser
Polar Pattern Cardioid, Omnidirectional
Frequency Response 90Hz 17KHz
Sensitivity -32dBV (25 mV) @ 1 Pa
Impedance 150 ohms
Max SPL 129dB
Self Noise 29dBA
Power Requirements P12, P24, P48, 2.4mA