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Denon Professional DN-474A 2x2-Channel Dual-Impedance Amplifier

Denon Professional DN-474A 2x2-Channel Dual-Impedance Power Amplifier

SKU #: DN-474A
$399.00

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Expected June 30, 2025

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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.

Denon Professional DN-474A 2x2-Channel Dual-Impedance Amplifier Features:

  • 4-Channel Class-D amplifier.
  • 2 X 120 Watts with 70V/100V outputs.
  • 2 X 150/90 Watts with 4/8-ohm loads.
  • Euroblock inputs and outputs.
  • Separate gain controls for each channel.
  • Signal, clipping and thermal interruption indicators.
  • Short-circuit and open-circuit protection.

Denon Professional DN-474A Specifications:
Total Harmonic Distortion: < 0.1%
Frequency Response: 100 Hz - 15 kHz (0 +/-1 dBv)
Signal to Noise Ratio: > 95 dB
Channel Separation: > 70 dB
Input Sensitivity: 0.9 - 1.1 V (0 +/-1 dBv)
Input Impedance: 20 kΩ balanced or 10 kΩ unbalanced

Connectors
(8) Euroblock channel outputs - (2) per channel (70V, 100V, 4Ω, 8Ω)
(4) Euroblock channel inputs (ground, -, +)
(1) IEC AC power inlet

Power
Connection: IEC
Input Voltage: 100 - 240 VAC, 50/60 Hz

Dimensions: 19.0" w x 11.1" d x 1.7" h (483 x 281 x 44mm)
Weight: 10.4 lbs (4.7 kg)

Each DN-474A Retail Box Includes:
(1) Denon Professional DN-474A 2x2-Channel Dual-Impedance Amplifier
(2) 6-Pin Euroblock Connectors
(4) 4-Pin Euroblock Connectors
(1) Power Cable
(1) Rack Ears with Screws
(1) User Guide
(1) Safety & Warranty Manual

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