The PZM-11 presents a low-cost solution for Voice Recognition, security and surveillance applications. Mounted on a standard wall plate, the PZM-11 doesn't look like a microphone but rather an ordinary light switch. Intelligibility is excellent, with low frequencies below the voice range rolled off to reduce the pickup of HVAC rumble. Electronics on the rear of the plate on the PZM11 offer screw terminals, eliminating the need for connectors. The PZM-11 uses 12-48 volts phantom power. The PZM11 Works Great with the SCM-410 Mixer and HAL2000 !!
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White Paper on the use of "Open Air" ( PZM11 ) Microphones:
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