The PM4/8-SA Muti-Zone Paging Microphones with MP3 Message Announcer can be used in conjunction with an external trigger device such as a timer or building management system - this enables fully automatic announcement of security, management or sponsorship messages.

46-80 Mixer Amplifier provides background music playback and paging
to office/administration building whilst CV4250 replicates Zone 2 BGM
playback / paging. CV4250 also provides local bluetooth input via BT-1 /
FPA-1 and local device control via Ethernet.