RCF’s DMA 504 Half-Rack 4-Channel Matrix Amplifier

RCF DMA 504 4-channel Class-D matrix amplifier

The RCF DMA 504 is a professional four-channel Class-D matrix amplifier designed for flexible, high-performance audio distribution in commercial and installed sound environments. Each channel delivers up to 500 W of power, making it suitable for multi-zone applications such as retail spaces, hospitality venues, corporate buildings, fitness centers, and multi-room audio systems. Its compact and robust design ensures reliable operation in demanding installations.

At the core of the DMA 504 is a powerful DSP engine that enables complete control over routing, equalization, and system tuning. It integrates advanced processing tools including parametric EQ, FIR filters, limiters, compressors, and environmental equalization. Additionally, it features RCF proprietary technologies such as FiRPHASE linear phase filtering and a dedicated bass enhancement algorithm, ensuring clear, natural sound reproduction with improved low-frequency perception.

The amplifier supports RCF speaker presets on each channel, allowing optimized performance tailored to specific loudspeaker models. This ensures consistent tonal balance and system reliability across different installations. Its flexible architecture enables multi-room scalability, where audio can be distributed through a 4-channel analog audio bus to additional units, making system expansion simple and efficient.

Control and configuration can be performed via front panel controls with OLED display or through RDNet network management software. It also supports remote control accessories and paging integration for commercial communication systems. With its combination of DSP intelligence, network control, and scalable design, the RCF DMA 504 is a powerful solution for modern distributed audio installations requiring precision, flexibility, and reliability.

Features of DMA 504

• 4 x 500 W Class-D amplification
• Wide 20 Hz – 20 kHz frequency response
• Full integrated DSP processing engine
• RCF speaker preset optimization
• FiRPHASE linear phase filtering
• Proprietary bass enhancement algorithm
• Parametric EQ and FIR filtering
• Built-in compressors and limiters
• Environmental sound equalization
• Multi-room scalable architecture
• 4-channel audio bus distribution
• RDNet network control support
• Front panel OLED interface
• Remote control and paging support
• Flexible routing and configuration
• High efficiency and low distortion design
• Compact 2U rack-mount format

Specifications of DMA 504