Speaker extends a door answering system's audio notification ability into remote locations where master handset or intercom cannot be installed;Three-level adjustable volume ensures that a chime can be heard over ambient noise;For use with an Aiphone intercom or door answering system (sold separately)

• Aiphone IER-2 Chime Extension Speaker

Aiphone IER-2 Chime Extension SpeakerAIPHONE COMMUNICATIONS