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.
Specification
AMPLIFICATION
Frequency Response
100 Hz – 6 kHz (±4 dB), relative level 1 kHz
THD+N
< 1% at 1 kHz (1 Pa/94 dB SPL)
AUDIO INPUTS, ANALOG
Maximum Input Level
115 dB at 1 kHz
Phantom Power
48 VDC, 10 mA, via ground terminal (typical)
AUDIO OUTPUTS, ANALOG
Channels
1 balanced, mic
Connectors
(1) fixed 3-terminal bare-wire, 3.5 mm
PHYSICAL
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)
ELECTRICAL
Connectors
(1) fixed 3-terminal bare-wire, 3.5 mm
Power Range
48 VDC, 10 mA phantom power via ground terminal (typical)
GENERAL
Compatible with
CSP-428, CSP-1248
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