PA System in School Features: 1. Bell Play: Daily bell timeable can be programed in system and to be played automatically. 2. Broadcasting: Various audio sources can be played to designated zones simultaneously. 3. Teaching Audio on Demand: The teaching audio file on server is available on demand via IP terminal in classroom. It supports single play, loop play, segments play, fast forward, fast backward, rebroadcast. 4. Internal Call: The interior deapartments of school can have video call, meeting mode and normal mode. It supports recording simultaneously. 5. Security Linkage:The emergency alam button supports linkage to security department, no-response transfer and audio/video recording.

PA System in Commercial Building Features: 1. Background Music: Play music to all or part of the buildings. 2. Broadcasting: Broadcast to sigle or multiple zone. 3. Public Address: Make live or scheduled announcements in different zones. 4. Fire Alarm Linkage: The system supports linkage to fire alarm system to braodcast so as to reduce loss of life and property.

PA System in Office Features: 1. Background Music: Play music to all or part of the departments. 2. Broadcasting: Broadcast to sigle or multiple zone. 3. Public Address: Make live or scheduled announcements in different zones. 4. Fire Alarm Linkage: The system supports linkage to fire alarm system to braodcast so as to reduce loss of life and property.

PA System in Large Venues Features: 1. Background Music: Play music to all or part of the venues. 2. Broadcasting: Broadcast to sigle or multiple zone. 3. Public Address: Make live or scheduled announcements in different zones. 4. Fire Alarm Linkage: The system supports linkage to fire alarm system to braodcast so as to reduce loss of life and property.

PA System in Hotel Features: 1. Background Music: Play different music in parts of hotels, such as lobby, dining hall, guestrooms, etc. 2. Broadcasting: Broadcast to sigle or multiple zone. 3. Public Address: Make live or scheduled announcements in different zones. 4.Sub-zone: :The system supports sub-zone control. 5. Fire Alarm Linkage: The system supports linkage to fire alarm system to braodcast so as to reduce loss of life and property.

PA System in Hospital Features: 1. Broadcasting: Broadcast to sigle or multiple zone. 2. Public Address: Make live or scheduled announcements in different zones. 3. Sub-zone: :The system supports sub-zone control. 4. Security Linkage:The emergency alam button supports linkage to security department,no-response transfer and audio/video recording.