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Bosch
Bosch PRM-4P600 4-Channel Power Amplifier
Bosch PRM-4P600 4-Channel Power Amplifier
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Bosch PRM-4P600: Next-Generation Four-Channel Power Amplifier
The Bosch PRM-4P600 is a highly innovative and robust 4-channel power amplifier from the SYNSONA series, engineered to deliver exceptional performance and flexibility in commercial audio installations. It represents the pinnacle of efficient power delivery for both background music and clear voice announcements across retail, hospitality, educational facilities, and transportation hubs. With its sophisticated power management and thermal technology, the PRM-4P600 ensures trouble-free operation and significant reduction in total cost of ownership.
Dynamic Power Management: powerTANK and Variable Load Drive
The PRM-4P600 redefines power distribution in commercial amplification through its proprietary technologies. powerTANK Technology provides a total power reservoir of 600 W that is dynamically and flexibly shared across all four channels. This intelligence eliminates the traditional constraints of fixed power allocation, allowing up to 300 W to be instantly deployed to a single channel as needed, without manual configuration. Variable Load Drive (VLD) optimises power transfer, enabling the amplifier to deliver consistent power into 4 Ohm and 8 Ohm low-impedance loads, as well as 70 V and 100 V high-impedance loads, on any channel simultaneously. This removes the need for specific amplifier models for different loudspeaker loads, simplifying inventory and installation.
Advanced Energy and Thermal Efficiency
The amplifier is built with sustainability and reliability at its core, incorporating cutting-edge thermal and power-saving features. ecoRAIL technology significantly reduces power consumption during low-level background music playback, operating at near standby efficiency while still producing audio. For extended periods of inactivity, Auto Power Down (APD) mode engages to reduce consumption to less than 1 W. The smart thermal design ensures reliable operation. Under typical conditions, the amplifier is convection cooled, operating silently. In the event of extreme thermal demands or high output levels, the intelligent multi-speed fan automatically engages to maintain peak performance and protect components, a system referred to as dualCOOL Thermal Management.
Simplified Integration and Signal Processing
Installation is streamlined for professional systems using versatile connectivity and integrated signal processing features. The PRM-4P600 features professional Euroblock connectors for loudspeaker outputs and analog audio inputs. It also supports amp-LINK (RJ45, AES72-1E) for simple single-cable signal cascading to multiple amplifiers. Each channel features built-in High-Pass (HPF) and Low-Pass (LPF) filters (24 dB/Octave) selectable via DIP switches, allowing for basic crossover functionality without the need for external processors. Available filter settings include HPF options at 30/50/100/150 Hz and LPF options up to 150 Hz. Housed in a durable industrial design, the amplifier occupies only 1 RU of rack space, making it easy to integrate into standard 19-inch equipment racks.
Comprehensive Technical Specification Data
| Feature | Detail |
| Amplifier Performance | |
| Total Rated Output Power | 600 W (power-sharing across 4 channels) |
| Rated Output Power (Fixed) | 4 x 150 W |
| Maximum Output Power Per Channel | 300 W (up to 600 W in specific load conditions) |
| Output Stage Topology | Class D, fixed frequency |
| THD+N (1/8 rated output power, 1 kHz) | < 0.1% |
| Frequency Response (-3 dB) | HP: 30/50/100/150 Hz to 20 kHz (Load dependent) |
| Signal-to-Noise Ratio (A-weighted) | > 98 dB to > 103 dB (Load dependent) |
| Load Compatibility | |
| Output Options (VLD) | 4 Ohm, 8 Ohm, 70 V, 100 V (per channel) |
| Minimum Impedance per Channel | 2.6 Ohm, 4 Ohm, 10 Ohm, 16.7 Ohm (Load dependent) |
| Connectivity and Control | |
| Analog Audio Input | 2 x 6-pin Euroblock (parallel 1x RJ45 AMP-LINK) |
| Loudspeaker Output | 2 x 4-pin Euroblock |
| Input Routing | Input 1 to All, Dual, Parallel |
| Integrated Processing | HPF, LPF (24 dB/Oct.), Peak Limiter |
| Physical and Environmental | |
| Dimensions (H x W x D) | 44.2 x 483 x 269.5 mm (1RU) |
| Weight | 3.6 kg |
| Cooling Concept | dualCOOL (Convection with intelligent fan assist) |
| Standby Power Consumption (APD) | < 1 W |
| Idle Power Consumption (ecoRAIL) | < 20 W |
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Warranty Details:
For the best performance and to ensure your new product works perfectly with your existing setup, we strongly recommend having a professional audiovisual technician install and configure your equipment.
Professional installation provides several key benefits:
Optimal Performance: An experienced technician will properly calibrate and fine-tune your new component to achieve the highest possible audio and video quality. They can also ensure seamless integration with your current system.
Trouble-Free Setup: AV equipment can be complex. A professional will handle the setup efficiently and safely, preventing any potential damage to the product or your space.
Peace of Mind: Knowing your equipment is installed correctly gives you confidence that it will function reliably for years to come.
Understanding Product Warranties
Your product is covered by a manufacturer's warranty.
This means that any warranty claims, service requests, or repairs must be handled directly through the manufacturer.
To ensure your warranty remains valid, it is crucial that you follow the manufacturer's warranty guidelines and instructions.
These guidelines often specify requirements for installation, use, and maintenance. Failure to follow them could void your warranty.
You can find the specific warranty information and contact details for your product in the documentation on the manufacturer's website.
It is always a good idea to register your product with the manufacturer after purchase, as this can simplify the process if you ever need to make a warranty claim.
If you have any questions about your new equipment or need a recommendation for a professional installer, please don't hesitate to contact us. We're here to help you get the most out of your purchase.
