RAM Audio PowerPack DSP SB 6K Plate Amplifier

The RAM Audio PowerPack SB 6K Bi is a high-power 2-channel Class-D plate amplifier module optimized for heavy-duty subwoofer systems and high-output multi-way speaker cabinets. Positioned at the top of the SUB series, this unit integrates a regulated universal switching power supply with advanced FIR-capable digital signal processing, delivering massive power within a unified chassis layout.

Key Features

• Integrated Digital Signal Processor: 64-bit double-precision 96 kHz DSP utilizing 96 kHz/32-bit AD/DA converters. Features up to 2000 taps custom FIR filters, 12 IIR EQ filters per output, and a minimal latency of 0.6 ms.

• Acoustic Time-Alignment: Offers extensive delay options with up to 40 meters (116 ms) available per channel to ensure precise driver integration.

• Preset Management: 4 quick-presets selectable via an external hardware button, backed by a memory library capable of storing up to 20 manufacturer presets and 5 user presets.

• Networking and Control: Dual-port RJ45 Ethernet switch supporting daisy-chain configurations for telemetry monitoring and DSP adjustment. Dedicated USB Type-B port for configuration adjustments and firmware utility installations via RAM_OCS control software.

• Monitoring Interfaces: Hardware indicators for standby mode, signal presence, operational status, input/output levels, temperature tracking, current draw, and real-time impedance monitoring.

• Power & Safety Architectures: Incorporates Advanced Power Management System (PMS™), Intelligent Clip Limiting (ICL™), alongside defences against turn-on transients, overheating, DC faults, RF signals, short circuits, and mismatched loads.

• Physical Connections: Neutrik-sourced hardware including an XLR input, XLR link out, powerCON True1 input and output loop, and heavy-duty speaker routing terminals.

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DSP / RAM_OCS

This Digital Signal Processor is a very versatile processor useful for any kind of sound system and configurable for any sound application possible. It is real time fully programmable directly from the front panel in the amplifiers or through Ethernet or USB by means of RAM Audio own control software, RAM_OCS.

• High performance 96kHz/24 bits AD/DA converters
• 64 bit double-precision 96kHz DSP process
• 20dBu maximum analog input
• 0.85 ms minimum process latency time
• Custom FIR process up to 1000 taps
• Dante, AES67 and AES3 input versions

About RAM Audio

RAM Audio products are engineered and manufactured in Spain, with a strong focus on high-performance amplifier design and long-term reliability. The brand combines advanced Class D and power management technologies with strict quality control processes to ensure consistent, dependable operation in demanding professional environments. Their production philosophy emphasizes efficiency, thermal stability, and electrical robustness, resulting in amplifiers that perform reliably under continuous load.

Over the years, RAM Audio has built a solid reputation in the professional audio market, particularly in touring, fixed installation, and large-scale sound reinforcement applications. The brand is widely recognized for delivering powerful, stable amplification solutions that balance performance, durability, and real-world usability, making RAM Audio a trusted choice for system integrators and audio professionals who require uncompromising reliability.