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-B125 395 / 62 / 16 W
PRS-B060 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
PRS-8B060 385 / 62 / 10 W
* Alarm tone level
** With pilot tone 15 V
Performance
Frequency response 60 Hz to 19 kHz (-3 dB)
80 Hz to 19 kHz (-3 dB, PRS-8B060)
Total harmonic distortion <0.3% (1kHz) at 50% of rated power
Cross talk -70 dB (1 kHz) nominal (only multichannel)
Signal-to-noise ratio >85 dB with pilot tone off
Line inputs
Local audio input 0 dBV (symmetrical)