Bosch PRA-AD604 600W Audio Amplifier

BOSCH PRA-AD604 600W 4-Channel Audio Amplifier for Praesideo Systems

Elevate your professional audio infrastructure with the BOSCH PRA-AD604, a high-performance 600W, four-channel power amplifier designed for seamless integration into the world-renowned Bosch Praesideo Public Address and Voice Alarm (PA/VA) system. Engineered for mission-critical applications where clarity, reliability, and safety are paramount, this amplifier delivers pristine audio for voice evacuation, emergency messaging, and high-quality background music in airports, stadiums, commercial buildings, and large-scale public venues.

The PRA-AD604 is the cornerstone of a robust and compliant audio distribution network. Its primary benefit lies in providing exceptional audio intelligibility and unwavering operational stability. As a core component of a certified voice alarm system, it ensures that every announcement is heard clearly, even in challenging acoustic environments. The amplifier´s advanced Class-D technology not only produces powerful, clean sound but also operates with remarkable efficiency, reducing power consumption and heat dissipation, which lowers operational costs and enhances long-term reliability.

Designed for ultimate system integrity, the PRA-AD604 features extensive self-monitoring and supervision capabilities. It continuously checks amplifier and loudspeaker line integrity, immediately reporting any faults to the Praesideo network controller. This proactive supervision is essential for maintaining compliance with stringent safety standards like EN 54-16. The dual redundant network connections via a plastic optical fiber interface guarantee a fail-safe audio and control link to the system, ensuring your PA/VA system remains fully operational at all times.

Main Features:

* Powerful 600W Total Output: Delivers substantial power to drive a wide range of loudspeaker configurations.
* Flexible 4-Channel Configuration: Provides four independent 150W channels, which can be bridged to create two powerful 300W channels for greater versatility.
* High-Efficiency Class-D Technology: Ensures minimal energy loss, reduced heat output, and a more compact, environmentally friendly design.
* Seamless Praesideo Network Integration: Connects directly to the Praesideo optical fiber network for digital audio transport and comprehensive system control.
* Comprehensive System Supervision: Features advanced monitoring of amplifier functions, wiring, and loudspeaker lines to ensure full system availability and fault detection.
* Dual Redundant Network Connections: Guarantees uninterrupted communication with the network controller for maximum system reliability.
* Local Audio Inputs: Includes balanced audio inputs for connecting local sources, providing additional flexibility for background music or local announcements.
* EN 54-16 Certified: Fully compliant with European standards for voice alarm control and indicating equipment, making it ideal for life safety systems.

The PRA-AD604 offers exceptional connectivity within the Praesideo network and for local sources. It features balanced audio inputs for connecting professional audio equipment directly. This flexibility allows for the integration of a wide array of audio sources, from emergency microphones and background music players to auxiliary devices which can be connected via appropriate adapters for formats like Jack 3.5, ensuring your system can handle any audio input required.

Technical Specifications:

* Product: BOSCH PRA-AD604 Audio Amplifier
* Total Power Output: 600 W
* Channel Configuration: 4x150 W
* Amplifier Technology: Class-D
* Frequency Response: 60 Hz to 19 kHz (-3 dB)
* Signal-to-Noise Ratio (SNR): > 104 dBA (at 150W)
* Network Interface: Praesideo optical fiber network (dual redundant connections)
* Local Inputs: 4x balanced line inputs
* Mounting: 19-inch rack mount
* Dimensions (H x W x D): 88x483 x 400 mm (3.5x19 x 15.7 in), 2U high
* Weight: Approx. 12.5 kg (27.6 lb)
* Operating Voltage: 230 VAC

Choose the BOSCH PRA-AD604 600W Audio Amplifier for unmatched performance, reliability, and safety in your professional public address and voice alarm system