Description
The Listen-Acoustic DMA-500 is a high-efficiency Class-D amplifier module engineered for subwoofer applications in professional audio systems. Delivering 500W RMS at 8 ohms, it features a switch-mode power supply for compact integration and reliable performance. The DMA-500 is ideal for OEM speaker builders and audio technicians seeking a modular amp solution with robust protection and connectivity.
Its design includes short circuit, overheat, and over-current protection, ensuring safe operation in demanding environments. The module offers XLR input and output connections, PowerCon power I/O, and front-panel controls for power and main level. LED indicators provide visual feedback for power, signal, and limit status.
**Specifications:**
– **Type:** Class-D subwoofer amplifier module
– **Power Output:** 500W RMS @ 8 ohms
– **Power Supply:** Switch-mode, 100–130V or 210–250V AC, 50/60Hz
– **Protection:** Short circuit, overheating, over-current
– **Controls:** Power on/off switch, main level knob
– **Indicators:** Power, signal, limit LEDs
– **Audio I/O:** 1 x XLR input, 1 x XLR output
– **Power I/O:** PowerCon connectors
– **Application:** Subwoofer integration, powered speaker systems, OEM builds
