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Bosch Security and Safety Systems North America

PRS‑xBxxx Basic amplifier

Amplifier, 4x125W

Commercial Product No.: PRS-4B125 | Product No.: F.01U.012.834
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Expected delivery:28/11/2017

Voltage 115/230 VAC ±10%, 50/60 Hz
Power consumption Pmax -3 dB* / idle** / standby, 395 / 62 / 16 W
Voltage 48 VDC -10% to +20%
Power consumption Pmax -3 dB* / idle** / standby, 375 / 48 / 9 W
Frequency response 60 Hz to 19 kHz (-3 dB)
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
Local audio input 0 dBV (symmetrical)
Rated load resistance 80 ohm (100 V); 40 ohm (70 V)
Rated load capacitance 60 nF (100 V); 125 nF (70 V)
Rated output power 125 W (1 min. at 55 °C)
rack use, with brackets 88 x 483 x 400 mm(3.5 x 19 x 15.7 in)
    in front of brackets 40 mm (1.6 in)
    behind brackets 360 mm (14.2 in)
Mounting 19” rack
Color Charcoal with silver
Weight 15 kg (33.4 lb)
Operating temperature -5 ºC to +55 ºC (+23 ºF to +131 ºF)
Storage and transport temperature -40 ºC to +70 ºC (-40 ºF to +158 ºF)

12mths wrty ext. basic amplifier

Commercial Type No. EWE-PRSBAM-IW
Product No. F.01U.360.709

12 months warranty extension

Parts included with this product

Quantity Component
1 PRS-4B125 Basic Amplifier 4 x 125 W
2/4/8/16 CAT 5 cables (for PRS 1B500 / PRS 2B250 / PRS 4B125 / PRS 8B060 types)
1 Power cord
1 Set of mounting brackets (large) for 19” rack
1 Set of connectors

Title Type Language
Title
CNBOP
Type
PDF
Language
pl-PL 
Title
CPR (EU CPR Telefication)
Type
PDF
Language
en-US 
Title
CPR (issue 11)
Type
PDF
Language
en-US 
Title
CPR (issue 8)
Type
PDF
Language
en-US 
Title
CPR (issue 9)
Type
PDF
Language
en-US 
Title
Declaration of Conformity (COC issue 7)
Type
PDF
Language
en-US 
Title
Declaration of Conformity (DECL CE PRS-4B125)
Type
PDF
Language
en-US 
Title
Declaration of Performance
Type
PDF
Language
Title
Declaration of Performance (Issue 10)
Type
PDF
Language
en-US 
Title
Declaration of Performance (issue 11)
Type
PDF
Language
Title
Declaration of Performance (issue 9)
Type
PDF
Language
Title
GL (DNV)
Type
ZIP
Language
en-US 
Title
UL (CoC)
Type
PDF
Language
en-US 
Title
A&E specifications
Type
DOC
Language
Title
Datasheet
Type
PDF
Language
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