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
| Model | Bosch LBB1925/10 |
| Zones | 6 output zones |
| Inputs | 3 microphone inputs, 3 line inputs |
| Priority | Multiple priority levels for paging and emergency override |
| Chime | Built-in chime generator |
| Routing | Selectable zone routing and source assignment |
| Frequency Response | 50 Hz – 20 kHz |
| Signal-to-Noise Ratio | > 85 dB |
| Control | Front-panel gain, routing, and monitoring controls |
| Indicators | LED indicators for zone and input activity |
| Power Supply | 230V AC, built-in power supply |
| Dimensions (H × W × D) | 88 × 430 × 260 mm |
| Weight | Approx. 5.5 kg |
| Use Cases | Paging control, multi-zone routing, commercial PA setups |
| Operating Temperature | 0°C – 40°C |
| Compliance | Meets international PA and EMC standards |
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