Bosch PRAESENSA - Page 80

80 en | *Amplifier, 600W 4-channel | PRA-AD604 PRAESENSA
2019.11 | V1.00 | Installation manual Bosch Security Systems B.V.
Power transfer
Active mode, low power
Active mode, rated power
Per active port
52W
220W
0.4W
Heat loss (including power supply)
Active mode, idle
Active mode, low power
Active mode, full power
140kJ/h (133Btu/h)
230kJ/h (218Btu/h)
360kJ/h (341Btu/h)
Supervision
End‑of‑Line detection mode Pilot tone
25.5kHz, 3VRMS
Power supply input A/B Undervoltage
Ground short detection (loudspeaker lines) <50kohm
Amplifier channel redundancy switching Internal spare channel
Amplifier channel load Short circuit
Loudspeaker line redundancy switching A/B group, Class‑A loop
Controller continuity Watchdog
Temperature Overheat
Fan Rotation speed
Network interface Link presence
Network interface
Ethernet
Protocol
Redundancy
100BASE‑TX,
1000BASE‑T
TCP/IP
RSTP
Audio/control protocol
Network audio latency
Audio data encryption
Control data security
OMNEO
10ms
AES128
TLS
Ports 2
Environmental
Climatic conditions
Temperature
Operating
Storage and transport
-5 to +50°C
(23 to 122°F)
-30 to +70°C
(-22 to 158°F)
Humidity (non condensing) 5 to 95%