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D&M Professional - DN-474A
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2x2 Channel Dual-impedance Amplifier

Model: DN-474A
  • 4-channel Class-D amplifier
  • 2x120 Watts with 70V/100V outputs
  • 2x150/90 Watts with 4/8 ohms loads
  • Euroblock inputs and outputs
  • Separate gain controls for each channel
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The DN-474A 2x2-channel Dual-Impedance Amplifier is designed for contractor/install market applications which specify installed speaker systems requiring 70V/100V inputs and has the added flexibility of handling lo-impedance loads (4Ω/8Ω). The amplifier is split so that two channels handle the lo-impedance speakers, while two channels take care of the 70V/100V speaker runs. This very versatile, one rack space amplifier has built-in short circuit protection and LED indicators for signal present, clipping status and thermal interruption on the front panel. Engineered for the distribution of multiple 70V/100V speaker systems over long cable runs such as in-ceiling speakers, surface-mount speakers and paging horns and also for shorter runs to lo-impedance speakers.

  • 4-channel Class-D amplifier
  • 2x120 Watts with 70V/100V outputs
  • 2x150/90 Watts with 4/8 ohms loads
  • Euroblock inputs and outputs
  • Separate gain controls for each channel
  • Signal, clipping and thermal interruption indicators
  • Short-circuit and open-circuit protection
 
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by Crestron Electronics, Inc.