High efficiency class-D amplifier channel(s)
Switched mode power supply
Local audio inputs
Mains and battery operation
Complete supervision
| Mains power supply | |
| Voltage | 115/230 VAC ±10%, 50/60 Hz |
| Power consumption | Pmax -3 dB* / idle** / standby |
| PRS-1B500 | 450 / 52 / 17 W |
| PRS-2B250 | 378 / 46 / 18 W |
| PRS‑4B125 | 395 / 62 / 16 W |
| PRS‑8B060 | 400 / 80 / 16 W |
| * Alarm tone level** With pilot tone 15 V | |
| Battery power supply | |
| Voltage | 48 VDC -10% to +20% |
| Power consumption | Pmax -3 dB* / idle** / standby |
| PRS-1B500 | 365 / 34 / 6 W |
| PRS-2B250 | 370 / 38 / 6 W |
| PRS‑4B125 | 375 / 48 / 9 W |
BOSCH |
