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PRA-PSM48

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PRA-PSM48

Bosch PRA-PSM48 Supply Module 48V, Universal mains input voltage, Power factor correction, Protection with automatic recovery, Approved to power a PRAESENSA 600W amplifier, Compact and DIN‑rail mountable, Mains power supply input: 100 to 240 VAC, Output voltage range: 48 to 56V, MTBF > 500.000 h, IP20.

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  • Brand - BOSCH
BOSCH
BOSCH

Global leader in Public Address, Voice Evacuation and Conference Systems.

Brand: BOSCH

Technical Specifications

Electrical

Power transfer

Mains power supply input

  Input voltage range

  Input voltage tolerance

  Frequency range

  Inrush current

  Power factor (PF)

  Leakage current to safety ground

 

100 to 240 VAC

85 to 264 VAC

50 to 60 Hz

< 35 A (115 V, 230 V)

0.9 to 1.0

< 1 mA (240 V)

48 VDC output

  Nominal DC output voltage

  Output voltage range

  Maximum continuous current

    Derating

  Maximum peak current

 

48 V

48 to 56 V

5 A

-0.125 A/°C above 50°C

7.5 A

Heat loss

  Active mode, rated power

 

90 kJ/h (85 Btu/h)

Protection

Overvoltage

Overload

Over-temperature

Automatic recovery

Automatic recovery

Automatic recovery

Reliability

MTBF

> 500.000 h

Environmental

Climatic conditions

Temperature

Operating

Storage and transport

 

-25 to +80 °C (-13 to 176 °F )

-40 to +85 °C (-40 to 185 °F )

Humidity (non condensing)

5 to 95 %

Air pressure

750 to 1070 hPa

Altitude (operating)

0 to 2500 m (0 to 8200 ft)

Vibration (operating)

Amplitude

Acceleration

 

< 0.35 mm

< 3 G

Bump (transport)

< 10 G

Airflow

Cooling

Convection

Mechanical

Enclosure

Dimensions (WxHxD)

85 x 121 x 124 mm (3.35 x 4.76 x 4.86 in)

Ingress protection

IP20

Mounting rail

TS35 DIN Rail (EN 60715)

Case

Aluminum

Weight

0.96 kg (2.12 lb)

PRA-PSM48
PRA-PSM48
Rs. 0.00

EVID-S8.2TB: Product FAQs

Explore the EVID-S8.2TB surface-mount speaker pair, including audio system compatibility, outdoor use and mounting options. Find answers to common questions before planning your installation.

The Electro-Voice EVID-S8.2TB is an 8-inch two-way surface-mount speaker supplied as a black pair. It is designed for background and foreground music, paging and sound reinforcement in restaurants, retail stores, fitness clubs and hospitality venues.

Yes. Its built-in 60 W transformer supports 70 V and 100 V systems, with selectable 15 W, 30 W and 60 W taps. A 7.5 W tap is available for 70 V systems only. An 8-ohm bypass also supports low-impedance operation.

Yes. The EVID-S8.2TB has an IP54-rated enclosure for indoor and outdoor applications. Its included mounting system supports wall or ceiling installation, with 90° horizontal and 45° vertical adjustment.

The EVID-S8.2TB comes with a pre-assembled mounting system for wall or ceiling installation. It allows 90° horizontal and 45° vertical adjustment to position the speakers. Mounting brackets and a 5 mm Allen wrench are included.

ESCO (Electronic Security Company) is an official Electro-Voice dealer in Pakistan.

Built for Commercial Audio Installation

The Electro-Voice EVID-S8.2TB combines a paintable, fire-rated ABS enclosure with a zinc-plated, powder-coated grille. Connections through the wall-mounted bracket help conceal wiring, while removable locking Euroblock connectors support additional speakers on a distributed line. Its rotatable grille logo accommodates horizontal positioning, and the EVID-S range is designed to work alongside other EVID ceiling and in-wall speakers.


Paintable ABS Enclosure

The fire-rated ABS enclosure can be painted to match the installation décor. The EVID-S8.2TB comes in black RAL 9004.


Corrosion-Resistant Grille

A zinc-plated, powder-coated grille provides corrosion resistance as part of the speaker’s weather-resistant construction.


Concealed Wall-Bracket Wiring

Electrical connections pass through the wall-mounted portion of the mounting system, allowing wiring to remain hidden for a clean installation.


Quick-Attach Mounting

The ball-and-socket mounting system features quick attachment and detachment, with the support bracket integrated into the enclosure.


Locking Euroblock Connections

Removable locking 4-pin Euroblock connectors provide an additional connection option and support wiring to further speakers in a distributed line.


Protected Bypass Selection

A rear-panel switch selects transformer taps or 8-ohm bypass operation. The bypass selection is protected by a safety screw.

Commercial Audio Applications

The Electro-Voice EVID-S8.2TB surface-mount speaker pair is designed for background and foreground music, paging and sound reinforcement across a range of commercial spaces.

Restaurants, Bars & Patios

Support background music, foreground music and paging in dining areas, bars and outdoor patio spaces.

Retail & Hospitality

Provide music and paging in retail stores and hospitality venues using a surface-mount speaker system.

Fitness & Leisure Venues

Use the EVID-S8.2TB for music and sound reinforcement in fitness clubs, theme parks and leisure venues.