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White Bogen ANS501 ambient noise sensor unit with microphone and separate power supply block

Bogen Communications

Bogen ANS501 Ambient Noise Sensor with Power Supply & Microphone

SKU CH-RA4Y-CKV2F

Ambient noise sensor kit includes power supply and microphone for audio monitoring

  • Ambient noise sensor adjusts audio levels automatically
  • Includes power supply for immediate installation
  • Microphone supplied for accurate sound detection
  • Bogen model 501 designed for security integration

Bogen ANS501 Ambient Noise Sensor

The Bogen ANS501 is an ambient noise sensor supplied with a dedicated power supply and microphone for straightforward installation. It is designed for commercial and institutional environments that need automatic audio-level monitoring to drive paging or background-music systems. Facilities managers and system integrators can deploy it to keep announced messages clearly audible without manual gain adjustments. Residential users seeking a simple plug-and-play device will find the feature set oriented toward larger-scale applications.

Thermals noise and power draw

The unit operates from the included low-voltage power supply, so heat output remains minimal and no active cooling is required. Acoustic signature is effectively silent because there are no moving parts in the sensor or supply. Power consumption is low enough for continuous operation on standard mains circuits without special provisioning. Installers should verify that the supplied adapter matches local mains voltage before connecting.

Highlights

  • Ambient noise sensor adjusts audio levels automatically
  • Includes power supply for immediate installation
  • Microphone supplied for accurate sound detection
  • Bogen model 501 designed for security integration

Specifications

BrandBogen

Questions about this item

How is the Bogen ANS501 ambient noise sensor installed, and which step is most often missed?

Connect the included power supply to the sensor, then plug the microphone into the sensor's input jack; the step most often missed is securing the microphone cable so it cannot be pulled loose.

What maintenance or replacement will the Bogen ANS501 need later?

The electret microphone capsule can degrade after several years of continuous use; keep a spare microphone on hand and replace it when background noise pickup becomes uneven.

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