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The Bogen Ambient Noise Sensor system is designed to monitor continuously changing ambient noise levels
and electronically adjust the level of a page announcement and/or background music so intelligibility is
maintained. The system consists of the control module (Model ANS501), a microphone module (ANS500M),
and a power supply.
The system ensures that page announcements and music are audible even during periods of high noise levels
by continuously monitoring the ambient noise level through a microphone module located in the subject area
and adjusting the paging signal level into the systems amplifier.
Consists of an ANS501 control unit, an ANS500M
microphone module, and a power supply
Balanced input and output
Unbalanced input and output
Unbalanced stereo AUX inputs (summed mono)
AUX inputs bypass gain control feature
Remote defeat connections (to disable level boost)
Automatically adjusts level of page announcements
Run/Set mode switch
ANS501 can be wired in between preamp and
power amp or to amplifier insert jacks
Maximum boost; activity threshold; relative gain;
AUX input level; ramp speed; and ambient MIC
input threshold controls
Supports up to four microphones wired in parallel
Microphone wire run can be up to 2,000 feet with
no appreciable loss of signal
Microphone module includes an adjustable mounting
bracket for precise positioning
Powered by a 12V wall-mounted power supply
that operates from 120V AC
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