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Bosch LBD1935/00-240w Plena Booster Amplifier

(3 customer reviews)
BOSCH

The Bosch LBD1935/00 240W Plena Booster Amplifier provides powerful, reliable audio amplification for large-scale public address systems. Offering both 100V and low-impedance outputs, advanced protection circuits, and seamless integration with Bosch Plena equipment, it is ideal for expanding and reinforcing professional PA installations.

21,799.00 Excluding Tax

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Bosch LBD1935/00-240w Plena Booster Amplifier

The Bosch LBD1935/00-240w Plena Booster Amplifier is a high-power, high-performance expansion amplifier engineered for demanding public address and background music systems. With a robust 240 watts of continuous power output, this booster amp is built to support extensive PA installations requiring strong, stable, and clear audio distribution.

Bosch LBD1935/00-240w Plena Booster Amplifier Designed for seamless integration with Bosch Plena mixers and amplifiers, the LBD1935/00 offers reliable performance and exceptional scalability, making it ideal for large commercial, industrial, and public environments.


🔹 High-Power Output for Large Installations

Delivering 240W continuous output, this amplifier supports:

  • 100V constant-voltage operation for distributed speaker systems

  • 8-ohm low-impedance operation for direct speaker loads

Its flexibility makes it suitable for expanding PA systems in large venues, ensuring consistent, powerful audio across multiple zones.


🔹 Seamless Plena System Integration

The LBD1935/00 is designed to work flawlessly with:

  • Bosch Plena mixer amplifiers

  • Plena preamplifiers

  • Plena voice alarm systems

It automatically boosts system output, enabling additional speakers or zones without compromising audio quality or reliability.


🔹 Advanced Protection & Reliability

Engineered for continuous, mission-critical operation, the amplifier includes:

  • Overload protection

  • Short-circuit protection

  • Overheat protection

  • Overdrive limiter

LED indicators on the front panel provide clear system status for hassle-free monitoring.

Its high-efficiency design ensures stable performance even under heavy load, making it perfect for applications requiring uninterrupted audio distribution.


🔹 Silent & Maintenance-Free Operation

The unit features:

  • Fanless cooling design

  • Quiet, vibration-free operation

  • Low heat generation for long-term stability

This ensures reliability and minimal maintenance in environments such as hospitals, schools, hotels, and control rooms.


      Key Features

  • Powerful 240W continuous output

  • Operates on 100V or speaker loads

  • Ideal for expanding large PA systems

  • Front panel LED indicators

  • Comprehensive protection circuitry

  • High-efficiency, low-heat design

  • Bosch-engineered reliability for 24/7 operation


     Ideal Applications

  • Large commercial buildings

  • Shopping malls

  • Airports & transport hubs

  • Schools & universities

  • Industrial complexes

  • Hospitals & healthcare facilities

  • Government buildings

  • Public announcement & emergency systems

 

LBD1935/00

Brand

Technical specifications

Electrical

LBD1935/00
Power supply
Input Voltage 230VAC ±10% at 50/60Hz or

24VDC

Inrush Current 9A at 230 VAC, 11A at 24 VDC
Performance
Rated Output (RMS) 240W
Power reduction on backup power -1 dB
Frequency response 60 Hz to 18 kHz (+1 / -3 dB at

-10 dB ref. rated output)

Distortion <1% at rated output, 1 kHz
S/N (flat at max volume) > 85 dB
Power consumption
Max power consumption 760 VA
Mains operation
Max power 451W
-3 dB 340W
Pilot tone 55W
Idle 16W
24V DC operation
Max power 12.1A (290W)
-3 dB 11.4A (274W)
Pilot tone 1.7A (41W)
Idle 0.3A (7W)
Line Input s 2 x
Connector 3-pin XLR, balanced
Sensitivity 1 V
Impedance >20k ohm
CMRR >25 dB (50 Hz to 20 kHz)
Gain 40 dB
100 V input
Connector Screw, unbalanced
Sensitivity 100 V
Impedance 330k ohm
Line l oop through output 2 x
Connector 3-pin XLR
Nominal level 1V
Impedance Direct connection to line input
Loudspeakers outputs 3 x
Connector Screw, floating
Direct output 100 V, 70 V, 8/4 ohm
Priority only (from input 1)
Music (non-priority) only
Dimensions (H x W x D) 100 x 430 x 270 mm
Weight 12.5 kg
Color Charcoal
Mounting 19″ rack, 2U height
Operating temperature -10 ºC to +45 ºC
Storage temperature -40 ºC to +70 ºC
Relative humidity <95%
Acoustic noise level of fan <48dB SPL at 1m(max output)

Based on 3 reviews

5.0 overall
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  1. Fflippin

    excellent products even its from some decades

    Fflippin

  2. Inder singh

    Extremely wonderful Bosch plena Amplifier . Powerful build in quality. Sakthi AV Tronics delivered on time . I got for very reasonable price.

    Inder singh

  3. Hasini

    BOSCH LBD1935/00 240W Plena Booster Amplifier. I do recommend to everyone. No words. Thank You Sakthi AV Tronics

    Hasini

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