Description

Bosch LBB1925/10 6-Zone System Preamplifier for PA and Routing Control


The Bosch LBB1925/10 is a professional 6-zone system preamplifier designed for flexible paging, routing, and audio distribution in commercial and public address installations. It supports multiple audio sources, priority paging, zone selection, and reliable control for medium to large multi-zone environments.

 

Features of Bosch LBB1925/10

  • Six independent output zones with flexible routing
  • Multiple audio input channels for microphones and line-level devices
  • Selectable priority levels for emergency and paging control
  • LED indicators for zone selection and status monitoring
  • High-quality audio processing for clear speech and music
  • Supports remote call stations and zone paging panels
  • Built-in chime generator for paging announcements
  • Front-panel controls for input gain, routing, and monitoring
  • Low-noise circuitry for professional-grade performance
  • Easy integration into Bosch Plena public address systems

 

Applications of Bosch LBB1925/10

  • Corporate buildings and business centers
  • Hotels, restaurants, and hospitality venues
  • Retail stores, malls, and shopping complexes
  • Hospitals, clinics, and medical facilities
  • Schools, colleges, and educational institutions
  • Warehouses, factories, and industrial complexes
  • Transportation terminals and public facilities

 

Specifications of Bosch LBB1925/10

ModelBosch LBB1925/10
Zones6 output zones
Inputs3 microphone inputs, 3 line inputs
PriorityMultiple priority levels for paging and emergency override
ChimeBuilt-in chime generator
RoutingSelectable zone routing and source assignment
Frequency Response50 Hz – 20 kHz
Signal-to-Noise Ratio> 85 dB
ControlFront-panel gain, routing, and monitoring controls
IndicatorsLED indicators for zone and input activity
Power Supply230V AC, built-in power supply
Dimensions (H × W × D)88 × 430 × 260 mm
WeightApprox. 5.5 kg
Use CasesPaging control, multi-zone routing, commercial PA setups
Operating Temperature0°C – 40°C
ComplianceMeets international PA and EMC standards

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