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The AVM-1 sense microphone mounts discreetly into ceilings and provides an analog output over a balanced audio connection. Designed for use with AutoVolume compensation, as featured in select Bose Professional sound processors, the microphone delivers a continuous ambient room noise reference. This allows the AutoVolume algorithm to adjust output zone levels automatically based on activity in the room.
Discreet, flush-mounted design blends seamlessly into common ceiling surfaces
Omnidirectional condenser microphone capsule operates on phantom power and can be located up to 610 meters (2,000 feet) away from the sound processor
Spring clips help make installation easy while keeping the microphone firmly in place
Condensation cover protects wire terminals from moisture collection and ensures sustained operation in above-ceiling mounting locations
Frequency Response
100 Hz – 6 kHz (±4 dB), relative level 1 kHz
THD+N
< 1% at 1 kHz (1 Pa/94 dB SPL)
Maximum Input Level
115 dB at 1 kHz
Phantom Power
48 VDC, 10 mA, via ground terminal (typical)
Channels
1 balanced, mic
Connectors
(1) fixed 3-terminal bare-wire, 3.5 mm
Power Range
48 VDC, 10 mA phantom power via ground terminal (typical)
Compatible with
CSP-428, CSP-1248
Technology
Omnidirectional electret condenser
Colors
White
Suspension/Mounting
Spring-loaded clips for ceiling < 1.0 in (25 mm) thick
Net Weight
0.14 lb (0.06 kg)
Operating Temperature Range
0 °C to 40 °C (32 °F to 104 °F)
Product Dimensions (H×W×D)
1.7 in × 2.8 in × 3.9 in (43 mm × 70 mm × 99 mm)
(1) AVM-1
