The Bosch LBB4428-00-US Power Amplifier is a versatile audio solution designed for professional sound systems. It features 8 audio outputs with selectable 100 V, 70 V, or 50 V tappings, ensuring compatibility with various loudspeaker configurations. With advanced audio processing capabilities, short-circuit detection, and a robust pilot tone for supervision, this amplifier guarantees reliable performance and superior sound quality.
Bosch LBB4428-00-US Amplifier Features
- Multiple Output Options: Select between 1, 2, 4, or 8 audio outputs, allowing for flexible configurations suited to different installation needs.
- Advanced Audio Processing: Each amplifier channel includes audio processing and delay, enhancing sound clarity and synchronization across multiple speakers.
- Supervision Capabilities: Features amplifier supervision and spare amplifier switching, ensuring uninterrupted audio performance and quick recovery in case of failure.
- Loudspeaker Supervision: The LBB 4428/00 model offers loudspeaker line supervision, providing real-time monitoring of the loudspeaker system.
- Control Inputs/Outputs: Equipped with eight control inputs and multiple control outputs, facilitating easy integration into larger sound systems.
Bosch LBB4428-00-US Detailed Specifications
| Feature | Details |
|---|---|
| Output Configuration | 1, 2, 4, or 8 audio outputs (100 V, 70 V, 50 V) |
| Power Rating | 500 watts total |
| Audio Processing | Processing and delay for each channel |
| Supervision Features | Amplifier supervision, loudspeaker line supervision (LBB 4428/00) |
| Control Interfaces | 8 control inputs, variable control outputs |
| Short-Circuit Detection | Built-in short-to-ground and short-circuit detection |
| Pilot Tone Generation | Generates pilot tone for supervision |



















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