Bosch PRS-4B125 4x125W Multi Channel Amplifier Professional Public Address Power
The Bosch PRS-4B125 is a professional multi-channel 4×125W amplifier designed for high-quality, stable, and efficient audio distribution across multiple PA zones. It delivers clean audio, dependable long-term performance, and seamless integration with advanced public address systems.
Features of Bosch PRS-4B125
- Four-channel 4×125W power amplification
- High-efficiency Class-D amplifier architecture
- Optimized for continuous-duty PA and voice alarm systems
- Supports long-distance 100V line speaker distribution
- Low-noise, low-distortion audio performance
- Thermal, overload, and short-circuit protection
- Robust construction for commercial applications
- Stable and reliable for multi-zone installations
- Efficient cooling system for long-term operation
- Ideal for expanding multi-zone PA infrastructures
Applications of Bosch PRS-4B125
- Large commercial PA systems
- Industrial and enterprise facilities
- Voice alarm and evacuation audio
- Transportation hubs and terminals
- Distributed 100V speaker networks
- Multi-zone audio reinforcement
Specifications of Bosch PRS-4B125
| Model | PRS-4B125 |
| Type | 4-Channel 125W Power Amplifier |
| Power Output | 4×125W continuous |
| Amplifier Class | Class-D |
| Line Compatibility | 100V / 70V / 8Ω |
| Input | Balanced audio inputs |
| Output | Four high-power amplifier channels |
| Cooling | Intelligent temperature-controlled cooling |
| Protection | Thermal, overload, short-circuit |
| Signal Quality | Low noise, high clarity |
| Construction | Durable metal housing |
| Dimensions | Standard rack-mount size |
| Weight | Approx. 10.5 kg |
| Operating Temperature | 0 °C to +45 °C |
| Warranty | 3-Year Manufacturer Warranty |
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