Bosch PLE-1P240-US Plena Amplifier (240W, Charcoal)

Bosch PLE-1P240-US Plena Amplifier (240W, Charcoal)

Bosch PLE-1P240-US Plena Amplifier (240W, Charcoal)

B&H # BOPLE1P240US MFR # F.01U.066.945

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Bosch PLE-1P240 overview

  • 1Description

The charcoal finish PLE-1P240-US Plena Amplifier from Bosch is a high-power plug-and-play power amplifier that delivers 240W to constant voltage or 4 Ω loads. It is built with premium quality and protections and offers basic functionality. The amplifier offers straight 1 V and 70 V line inputs, and 25 and 70 V and 4 Ω outputs. It can extend the power of the PLE- series mixer-amplifier or be combined with the PLE-10M2-US mixer, or work anywhere where more power on an existing 70 V line is needed or when a line level signal is provided.


The amplifier is protected against overload and short circuits. A limiter protects the amplifier and loudspeaker against accidental overdriving. A temperature-controlled fan ensures proper cooling without producing acoustic noise at lower output levels.
Power Input and Output
The unit operates both on mains power and on a 24 V battery power supply for emergency backup, with automatic switchover. The amplifier also has a built-in charger to charge the connected battery. The system has 2 balanced inputs that are summed together and a loop-through facility.

This makes it easy to connect multiple amplifiers. The secondary input is a 70 V line input to connect the amplifier to a 25 and 70 V loudspeaker line to provide more power in remote locations. Gain or level control is located on the rear of the unit to avoid accidental setting change. An LED VU meter shows the output level. The amplifier has 25 and 70 V outputs for constant voltage loudspeaker systems, and a low impedance output for 4 Ω loudspeaker loads.
Controls and indicators

  • Power on LED
  • LED VU meter for master output (LEDs for -18, -12 -6, -3, 0 dB)
  • On/off button


  • Level control
240 power amplifier in a compact housing
1 V line level balanced input
70 V, 25 V, and 4 Ω outputs
70 V input for slave operation on 70 V speaker line
Temperature-controlled forced front to back ventilation (directly stackable)
24 VDC backup power with built-in charger
In the Box
Bosch PLE-1P240-US Plena Amplifier (240W, Charcoal)
  • Power Cord
  • 19" Mounting Bracket (a Set)
  • Limited 3-Year Warranty
  • Table of Contents
    • 1Description

    Bosch PLE-1P240 specs

    Power Supply
    Voltage 115 to 230 VAC ±10%, 50/60 Hz
    Inrush Current 9/18 A (230/115 VAC)
    Power Consumption 760 VA
    Power Supply Voltage: 24 VDC ±15%
    Current 11 A
    Charge Current 0.5 ADC
    Voltage Charge Float: 27.3 VDC
    Max Power Consumption 451
    -6dB (Mains): 244 W
    Idle Mains: 16 W
    Maximum Power 24 V: 12 A (290 W)
    -6 dB (24 V): 8.1 A (194 W)
    Idle 24 V: 0.3 A (7 W)
    Rated Power 360 W / 240 W
    Power Reduction on Backup Power: -1 dB
    Frequency Response 50 Hz to 20 kHz (+1/-3 dB @ -10 dB ref. rated output)
    Distortion <1% @ rated output power, 1 kHz
    Connector 1 3-pin Euro style, balanced
    Sensitivity 1 V
    Impedance 20 kΩ
    Connector 2 3-pin Euro style, balanced
    Sensitivity 70 V
    Impedance 300 kΩ
    Dynamic Range 100 dB
    CMRR Mic: >40 dB (50 Hz to 20 kHz)
    Loudspeaker Power Outputs 25 V and 70 V:
    Connector: Euro style pluggable screw terminals
    Loudspeaker output 4 Ω
    Connector: Euro style pluggable screw terminals, 44 V (240 W)
    Operating Temperature 14 to 131°F (-10 to 55°C)
    Storage Temperature -40 to 158°F (4.44 to 70°C)
    Relative Humidity <95%
    Acoustic Noise Levels Fan: <40 dB SPL @ 1 m temperature controlled
    Certifications and Approvals
    EMC Certification Emission: According to EN 55103-1
    Immunity: According to EN 55103-2
    Mounting Stand-alone, 19.0" (482.6 mm) rack
    Dimensions (H x W x D) 3.93 x 16.92 x 10.62" (100.00 x 430.00 x 270.00 mm)
    Width: 19.0" (482.6 mm)
    Height: 2U
    Weight Approximately: 27.6 lb (12.5 kg)
    Packaging Info
    Package Weight 27.65 lb
    Box Dimensions (LxWxH) 22.6 x 14.2 x 9.1"

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