24-Zone Expander

• Supports up to 24 speaker zones
• Single channel operation
• Independent volume control for each audio channel
• Up to 500 W output capacity on any zone
• Can connect up to 6 main amplifiers and 1 backup amplifier
• Flexible amplifier backup mode that can support all other system amplifiers
• 24 dry contact inputs (non-monitored)
• Automatic fault detection: main power, backup power, CPU, amplifier, speaker line, speaker line grounding, dry contact inputs, and network
• With 1 line input port, use it in standalone mode or if the controller CPU fails
• Can work as standalone (for PA announcements in case main controller CPU fails) or in network mode along with main controller
• Ability to connect up to 5 units of 24-zone expander