Passive speaker unit

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The passive speaker unit must be connected to an active speaker unit ordirectly connected to Esse-ti autodialers with specific output for additional microphone and loudspeaker.

The speaker units allow two-way communication with excellent audio quality and low consumptions.

Equipped with advanced self-diagnosis system to detect cabling errors or damages, they guarantee the utmost reliability.

Quick and easy to install, offer the possibility of combining active and passive handsfree terminals to save on installation costs.

The telephone-technology speaker units offer a comprehensive choice in terms of casing. The wide range of size and fittings combines functionality and versatility in order to meet any installation requirement.



  • Speech unit to be connected to an active handsfree terminal for additional microphone and loudspeaker or to an esse-ti' autodialer with specific output 
  • Cabling: 3 wires
  • Plastic case
  • Dimensions: 117 x 64 x 26 (h) mm
  • Weight: 106 g
Hardware and Software design and development carried out at the Esse-ti Research Center. 100% made in Italy.

Compliant: EN 81-80, EN 81-28, EN 81-70


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