2W stainless-steel speaker unit

Vivavoce Inox 81 28 2018 9f2951cc281a4f66d2a09234eeaf5534

The 2W stainless-steel speaker unit is an independent digital speech unit designed for installation inside the elevator car.

The 2W digital-technology speaker units allows two-way communication with excellent audio quality and low consumptions.

The wide range of size and fittings combines functionality and versability in order to meet any installation requirement.

Quick and easy-to-install with only 2 wires, the speech units allows to combine active and passive speaker units.

The brand-new 2W speaker units are equipped with advanced self-diagnosis system to check constantly the system.



  • 2-Wire BUS connection
  • Double-contact  emergency-call pushbutton (bell pictogram
  • LEDs signalling given/received alarm
  • Supplied directly by the autodialler or via the 12 Vdc input
  • Presence over the BUS checked automatically by the autodialler
  • DIP switch for ID assignation over the BUS
  • Remote digital volumes adjustment
  • Allows to connect a passive speaking unit
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


Independent audio digital speaking unit for 2W esse-ti alarm systems

Two-way communication (full duplex)

Self-diagnosis system

Connection: 2-wire bus

Power supply: directly from the bus or via the 12 Vdc input

Absorption in idle state: 20 mA

Average absorption in alarm conversation mode: 50 mA

Presence over the bus checked automatically by the alarm system

DIP switch for ID assignation over the bus 

Loudspeaker's volume setting: digital remotely adjustable

Microphone's volume setting: digital remotely adjustable

Double-contact emergency-call pushbutton (bell pictogram) Given alarm indicator light: yellow

Received alarm indicator light: green

Stainless-steel case

Dimensions: 131x80x29(h) mm

Weight: 295 g




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