The Fanvil FH-S01 is a ceiling speaker that utilizes SIP technology and offers a variety of features including paging, multicasting, broadcasting, and talkback capabilities. It has the ability to support up to 10 multicast zones with prioritization and provides clear audio quality through its support of G.722 and Opus codecs.

Additionally, it is compliant with the standard SIP 2.0 (RFC3261) and related RFC protocols, making it highly compatible and able to easily scale to meet the needs of any system.

Fanvil FH-S01 Key Features:

All in one functionalities with audio codec, digital amplifier and speaker
High-intelligibility performance with G.722&Opus codecs
Support up to 10 multicast zones with prioritization
Audio power up to 20W with built-in class D amplifier
Support talkback with built-in microphone
Customize the WAV file for emergency notification and alarming
Linkage with security alarming devices