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The AVM-1 measures the ambient noise in a room and sends this reference to a CSP processor. The AutoVolume function uses it to raise or lower the playback level continuously based on occupancy.
The condenser capsule captures sound from all directions and operates on phantom power. It can be placed up to 610 meters from the processor, covering large areas without an intermediate enclosure.
Spring clips hold the microphone in the ceiling without visible fasteners. The enclosure measures 7 cm by 9.9 cm by 4.3 cm high and weighs 60 grams—it vanishes into a drop ceiling tile.
A cap protects the terminal block if condensation forms on the wiring or microphone body. The CSP-1248 accepts up to five AVM-1 units (one per listening zone); the CSP-428 accepts two.
Data sheet
Specific References
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