:
• Floating 100 V or 70 V power outputs
• High efficient amplifier blocks in class-D technology
• Outputs idling and short circuit-protected
• Mains operation 120–240 V (50/60 Hz) and/or 24 V
DC emergency backup
• Electronically balanced inputs
• Temperature monitoring function
• Pilot tone and ground fault monitoring function via
PVA-4CR12 controller or PVA-4R24 router
• Processor control of all functions
• Monitoring of the processor system via watchdog
circuit
• Non-volatile FLASH memory for configuration data
• Internal monitoring function
• Integrated audio relays
• Line monitoring function