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Silver two-rack-unit amplifier with front LCD and rear Euroblock connectors

Crown

Crown CDi 1000 Live Sound Amplifier 500W 70V 140V

SKU CH-MBR1-DDR27

Two-channel commercial amplifier delivers 500W per channel at 4 Ohms with 70V and 140V constant-voltage operation

  • 500 W per channel at 4 Ω for clear, powerful sound
  • Dual-channel or bridge-mono operation adapts to any installation
  • 70 V and 140 V constant-voltage support simplifies distributed systems
  • Integrated DSP provides crossover, EQ, limiting and delay presets
  • 2 RU rackmount steel chassis fits standard racks and saves space

Crown CDi 1000 Commercial Amplifier

The Crown CDi 1000 is a 2 RU rackmount power amplifier built for installed audio systems in venues such as restaurants, retail spaces, warehouses and offices. It delivers 500W per channel at 4 Ohms and operates in dual-channel or bridge-mono modes. A switch-mode universal power supply allows safe operation worldwide without voltage selection.

Thermals Noise and Power Efficiency

Advanced protection circuitry guards against shorted outputs, open circuits, DC faults, mismatched loads, general overheating, high-frequency overloads and internal faults. The rugged, lightweight steel chassis fits a standard equipment rack while maintaining reliable thermal performance. Integrated DSP processing runs without adding audible fan noise in typical commercial environments.

Integrated DSP and Connectivity

Onboard DSP provides adjustable crossover frequencies, EQ, limiting, compression, delay and a subharmonic synthesizer, all managed through a backlit LCD. Removable Euroblock inputs and barrier strip outputs accommodate a variety of system wiring schemes. The amplifier supports 70V and 140V constant-voltage lines as well as low-impedance loads for flexible speaker distribution.

Highlights

  • 500 W per channel at 4 Ω for clear, powerful sound
  • Dual-channel or bridge-mono operation adapts to any installation
  • 70 V and 140 V constant-voltage support simplifies distributed systems
  • Integrated DSP provides crossover, EQ, limiting and delay presets
  • 2 RU rackmount steel chassis fits standard racks and saves space

Specifications

No published specifications for this item yet.

Questions about this item

How do I mount the Crown CDi 1000 in a rack and what is the common mistake?

Secure the front-panel ears to a standard equipment rack; the unit occupies 2 RU. The step often missed is verifying that rear support rails are fitted so the chassis does not flex under its own weight.

What maintenance or replacement will the amplifier need over time?

The internal cooling fans are the only serviceable moving parts; plan to clean dust from the intake vents annually and replace the fans if bearing noise appears.

What limit appears first when the amplifier runs at high output for long periods?

Thermal protection engages before clipping; the circuitry reduces gain when heatsink temperature exceeds the safe threshold, so sustained 500W per channel requires adequate rack airflow.

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