Bosch PRS-4P125-EU Power Amplifier New In Box and similar items

Bosch PRS-4P125-EU Power Amplifier The Bosch PRS-4P125-EU is a professional 4-channel power amplifier from the Praesideo public address and voice alarm system. It is designed for high-reliability audio distribution in critical environments such as airports, transportation hubs, industrial facilities, and large commercial buildings. Each channel delivers independent amplification with full system supervision, making it suitable for EN54-compliant voice evacuation systems. Key Features 4 independent amplifier channels (4 125W) Designed for 100V / 70V / 50V PA systems Full amplifier and loudspeaker line supervision Automatic fault detection and reporting Spare amplifier switching (redundancy support) Built-in audio processing and delay per channel Integrated pilot-tone monitoring for system integrity Redundant network connection for high reliability Technical Specifications Model: PRS-4P125-EU Type: 4-channel network power amplifier Power Output: 4 125 W (total 500 W system power class) Audio Performance: Frequency Response: approx. 50 Hz – 20 kHz Signal-to-Noise Ratio: 85 dB Low distortion with high-efficiency amplification Independent channel processing and delay Inputs / Outputs: 2 audio inputs 4 amplified outputs (100V / 70V / 50V selectable) 8 control inputs 4 control outputs Spare amplifier connection support System Functions Continuous self-monitoring Loudspeaker line supervision (open/short detection) Automatic volume control Fault reporting to central controller Redundant loop network support for fail-safe operation Power Hardware Power Supply: 115/230V AC 10%, 50/60 Hz Backup Power: 48V DC battery input support Form Factor: 19” rack mount (2U) Cooling: Forced ventilation system Applications Voice alarm (EN54) systems Airports and railway stations Shopping centers and stadiums Industrial facilities Large public buildings Advantages for Buyers Extremely reliable mission-critical PA amplifier Full system supervision and fault detection Designed for life-safety voice evacuation systems Scalable for large multi-zone installations Industrial-grade Bosch engineering