Bosch Plena Amplifier 480W (LBB1938/30) Price in Bangladesh

Description

Product Name: Bosch Plena Amplifier 480W (LBB1938/30) Price in Bangladesh

Manufacturer: Bosch

Product Overview

The Bosch LBB1938/30 Plena is a powerful 480W power amplifier housed in a 3U high 19-inch case designed for rack mounting or tabletop use. It fulfills a wide range of public address and voice alarm requirements with exceptional reliability and compliance with EN 54-16 standards. Furthermore, it features comprehensive status monitoring LEDs on the front panel. Additionally, it operates on both mains power and a 24 VDC emergency battery supply with automatic switchover. Consequently, it serves as an ideal high-power amplification solution for large commercial buildings, auditoriums, and emergency evacuation systems.

Key Features and Benefits

• Manufacturer: Bosch

• High-Power Amplification: Delivers 480 W RMS rated power and up to 720 W maximum power to constant voltage or low-impedance loads.

• EN 54-16 Certified Supervision: Monitors mains presence, battery status, pilot-tone operation, and amplifier functions with fail-safe relay outputs.

• Dual Power Operation: Operates on standard mains power (220/230 VAC) or a 24 VDC emergency backup battery supply with automatic switchover.

• Flexible Input & Zone Routing: Includes two balanced XLR inputs with priority control, loop-through facilities, a 100V slave input, and separate priority-controlled speaker zone outputs.

• Advanced Thermal Protection: Features overload and short-circuit protection alongside a temperature-controlled forced-air cooling fan.

Technical Specifications

• Manufacturer: Bosch

• Product Name: Bosch Plena 480W Power Amplifier

• Model / Part Number: LBB1938/30

• Mains Power Supply: 220/230 VAC, ±10%, 50/60 Hz (Inrush Current: 19 A | Max Power Consumption: 2200 VA)

• Battery Power Supply: 24 VDC +15% / -15% (Max Current: 30 A)

• Performance: Output Power (RMS / Max): 480 W / 720 W | Frequency Response: 50 Hz to 20 kHz | Distortion: <1% at 1 kHz | S/N Ratio: >90 dB

• Line Inputs: 2 x 3-pin XLR balanced (Sensitivity: 1 V, Impedance: 20 kOhm) with loop-through facility

• 100V Input: Screw unbalanced (Sensitivity: 100 V, Impedance: 330 kOhm)

• Loudspeaker Outputs: 3 x screw floating connectors (Direct Output: 100 V, 70 V, 8 Ohm; plus separate priority-controlled and music-only zone outputs)

• Physical Dimensions: 145 x 430 x 370 mm (19″ wide, 3U high, with feet)

• Mounting & Color: Standalone or 19″ rack mount | Color: Charcoal

• Weight: Approx. 25 kg (55 lbs)

• Operating Temperature: -10 ºC to +55 ºC (14 ºF to +131 ºF)

Ideal Applications

• Large Commercial Buildings and Shopping Malls

• EN 54-16 Certified Voice Alarm and Emergency Evacuation Systems

• Corporate Auditoriums, Universities, and Convention Centers

• Multi-Zone Public Address and Background Music Installations

Conclusion

The Bosch LBB1938/30 Plena 480W Power Amplifier provides an enterprise-grade, highly reliable audio reinforcement and emergency broadcast solution. Because it combines massive power delivery with rigorous EN 54-16 safety monitoring and flexible zone routing, it ensures dependable performance for critical public address applications.

Contact Us

For pricing inquiries and stock availability in Bangladesh, get in touch with our team:

• Phone: +8801737118246

• Email: [email protected]