BG-VAR1 - Http://www.teledynamics.com/#/productdetails/bgvar1 | Aztek Computers
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SKU: N39GICE28I |  Mfg. Part: BG-VAR1  | UPC: 765368200973  |  0 Reviews  |     Share

BG-VAR1 - Http://www.teledynamics.com/#/productdetails/bgvar1 Voice Activated Relay

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$165.81  $223.84
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Product Overview

- Monitors audio activity over a wide range of input voltages
- Two sets of C-form (both N.O and N.C) relay contacts respond to audio activity
- Four levels of signals: microphone, 600-ohm line, 25V, and 70V speaker systems
- Built-in balanced, low noise, high gain microphone pre-am
- Transformer-isolated, 600-ohm small signal level output of detected audio available
- Works with self-amplified or central-amplified paging systems
- Separate microphone pre-amp gain control
- Adjustable release delay: 0.25s to 25s
- Trigger threshold adjustment
- Relay active indicator light
- Accessories: PRS40C 12V DC Power Supply (Sold separately)

Expert Overview

The Bogen Voice Activated Relay (BG-VAR1) is a voice processing system designed for integrating audio detection into various IT and communication infrastructures. This unit monitors audio activity across a broad spectrum of input voltages, making it suitable for diverse environments. It features two sets of C-form relay contacts (both normally open and normally closed) that activate in response to detected audio. The system accommodates four distinct signal levels: microphone, 600-ohm line, 25V, and 70V speaker systems, enhancing its versatility. A built-in, balanced, low-noise, high-gain microphone pre-amplifier is included, alongside a transformer-isolated, 600-ohm small signal level output for detected audio. This relay supports both self-amplified and central-amplified paging systems, offering adjustable release delay from 0.25s to 25s and a trigger threshold adjustment. It is intended for IT professionals and system integrators requiring reliable audio-triggered control.

Technical Specifications

Paging Adapters and Zone Controllers: Yes
Color: Black

Product Details

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  • http://www.teledynamics.com/#/productdetails/BGVAR1
  • BG-VAR1
  • 765368200973
  • New
  • 1.35 lbs
  • 8 X 3 X 7
  • Today - Aug 13, 2026
  • Aug 12, 2026
Product Identifiers: Brand: Http://www.teledynamics.com/#/productdetails/bgvar1 • Part #: BG-VAR1 • UPC: 765368200973 • Category: Voicemail & Voice Processing Systems

Frequently Asked Questions

What types of audio systems is the Voice Activated Relay compatible with?

The Voice Activated Relay is designed to work with self-amplified or central-amplified paging systems. It can monitor audio from microphone, 600-ohm line, 25V, and 70V speaker systems.

What is included with the Voice Activated Relay?

The Voice Activated Relay unit is included. A PRS40C 12V DC Power Supply is required for operation but is sold separately as an accessory.

What is the function of the adjustable release delay?

The adjustable release delay allows the user to set how long the relay contacts remain active after audio activity ceases. This can be configured from 0.25 seconds to 25 seconds.

Does this device provide an audio output?

Yes, the Voice Activated Relay provides a transformer-isolated, 600-ohm small signal level output of the detected audio. This allows for further processing or monitoring of the audio activity.

BG-VAR1 - Http://www.teledynamics.com/#/productdetails/bgvar1 Voice Activated Relay

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$165.81