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PRA-AR616

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PRA-AR616

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Bosch PRA-AR616 Router Amplifier, 600W, 16-Zone, amplifier with integrated spare channel and relay-based router to drive up to 16 zone outputs, Flexible line supervision with end of line devices or impedance monitoring, configurable per zone output, Full supervision with integrated fail-safe redundancy, low power consumption, ip networked on OMNEO for audio and control, Nominal output voltage 100 V mode, 1 kHz, THD <1%, no load (VRMS): 100 VRMS, Nominal output voltage 70 V mode, 1 kHz, THD <1%, no load (VRMS): 70 VRMS, Loudspeaker load (maximum) (W): 600 W, Maximum output power (W) : 600 W, RMS power (W): 150 W, Input voltage (VDC): 48 VDC, Input voltage (VDC) (tolerance): 44 VDC – 60 VDC.

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Bosch PRA-AR616 – 600W 16-Zone Router Amplifier

The PRA-AR616 is a high-power, IP-networked router amplifier delivering 600W of reliable power to up to 16 independent zones. It features an integrated spare channel and relay-based routing for fail-safe redundancy, ensuring continuous operation during critical events.

Key Technical Highlights:

  • Nominal Output: 100V (100 VRMS) or 70V (70 VRMS) modes
  • Max Output Power: 600W (EIAJ) / RMS Power: 150W
  • Zone Support: Up to 16 zones with flexible line supervision (end-of-line devices or impedance monitoring, configurable per zone)
  • Redundancy: Integrated fail-safe design with spare channel
  • Power Input: 48 VDC (tolerance 44–60 VDC)
  • Networking: OMNEO IP for audio and control
  • Low Power Consumption and full supervision capabilities

Ideal for emergency voice alarm systems (EN 50849, BS 5839-8, ISO 7240-16) requiring high reliability, zoning flexibility, and networked control in professional installations.

Technical Specifications

Amplifier Outputs

Nominal Output Voltage (100V mode)

100 VRMS

Nominal Output Voltage (70V mode)

70 VRMS

Signal Processing

Level control resolution

1 dB

RMS power limiter

RMS power

Input sensitivity (100V output)

0 dBV

Mute attenuation

> 80 dB

Minimum signal-to-noise ratio

> 90 dBA

Acoustic

Full to no load regulation

< 0.4 dB

Frequency response (-3 dB)

20 Hz – 20,000 Hz

Total harmonic distortion + noise

< 0.30%

Intermodulation distortion

< 0.50%

Minimum signal-to-noise ratio (100V mode)

110 dBA

Crosstalk (Main/Supervisory)

< -84 dBA

Electrical (Loudspeaker Load)

Loudspeaker load (max)

600 W

Maximum output power*

600 W

RMS power

150 W

Min load impedance (100V mode)

16.70 Ω

Min load impedance (70V mode)

8.2 Ω

Max cable capacitance

2 nF

DC offset voltage

< 50 mV

**EIAJ test standard, 1 kHz, 8/40 ms*

Electrical (Power Transfer)

Input voltage (nominal)

48 VDC

Input voltage (tolerance)

44 VDC – 60 VDC
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