Use your Sonos System as doorbell, security alarm or control you Sonos by any light switch.
Lextend expands the features and the application area of your Sonos system. With lextend your Sonos starts when a AC light switch is pressed, or your Sonos plays the doorbell when the doorbell button is pressed.

Sonos together with lextend is also used as:

  • Security alarm
  • Office audio system (on/off, volume, radio station controlled by a simple light switch)
  • Home Cinema controller
  • Commercial audio system (fading in commercials)
  • Announcement systems (with microphone or recorded tracks)
  • Door open alerts