Denon Pro DN-280 Class D 100W Zone Amplifier with Microphone Input
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Denon Pro DN-280 Class D 100W Zone Amplifier with Microphone Input

SKU: DEDN280 MFR: DN-280
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Key Features

  • Experience clear audio with this Denon Pro zone amplifier, perfect for announcements.
  • Get flexible connectivity with XLR, RCA, & 1/8" inputs on this distribution amplifier.
  • Enjoy high power output (60W) for robust sound, ideal for background music or paging.
  • Achieve low distortion (<0.1%) for pristine sound quality in any commercial setting.
  • This durable amplifier is rack-mountable, saving space in bars and retail environments.
  • Optimize your sound system with a wide frequency response of 100Hz - 15kHz for clarity.
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Special Order?Estimated to Ship: 09/10/2025
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Denon Pro DN-280 Specifications

  • Total Harmonic Distortion

    <0.1% (A-weighted)

  • Frequency Response

    100Hz - 15kHz (+0/-3dBv)

  • Signal-to-Noise Ratio

    >95dB (A-weighted)

  • Damping Factor

    >200 (1k 8 Ohm)

  • Output Power

    60W

  • Connectors

    (1) Euroblock channel output
    (1) Dual RCA input
    (1) XLR / TRS 1/4" (6.35mm) combination input
    (1) TRS 1/8" (3.5mm) auxiliary input

  • Input Sensitivity

    Dual RCA input: 0+/-1dBv
    Auxiliary input: -10+/-1dBv
    Combination input: -30+/-1dBv
    Input Impedance: 20k Ohm balanced or 10k Ohm unbalance

  • Power

    100V -, 50/60Hz, 100W
    110-120V -, 50/60Hz, 100W
    220-240V -, 50/60Hz, 100W
    Voltage Gain: 40+0/-1dB (100V)

  • Dimensions (W x D x H)

    7.9 x 10.7 x 1.7" (200 x 273 x 43mm)

  • Weight

    5.3 lbs (2.4kg)

  • UPC Code

    694318024584

About Denon Pro DN-280

If you need a compact, high-powered amplifier that sums stereo signals into a mono output for paging, P.A. announcements and background music applications, the Denon Professional DN-280 is the ideal solution. With a space-saving, one-half rack space profile, the DN-280 features a microphone input for paging, a front panel 3.5mm (1/8-inch) AUX input and stereo analog inputs (summed to MONO) for signals from external playback devices such as an iPhone or stereo tuner.

The amplifier handles a 4 Ohm load or 70V/100V speaker runs, perfect for multiple speaker setups in small retail stores or doctor's offices. A cool-running, powerful Class D amplifier delivers 100 watts with <0.1% THD and an outstanding Signal-to-Noise Ratio of >95dB, ensuring extremely clean performance under all conditions. The DN-280 has built-in short circuit protection and front-panel LED indicators for signal present, clipping status and thermal interruption.

Denon Pro DN-280 Features

  • Class D 100W mono amplifier
  • Trim one-half rackspace height - rackmountable or stand-alone
  • Removable feet and option to mount two units together in a 1RU space
  • Paging microphone input with gain control
  • Tone and master volume controls
  • RCA inputs (L/R stereo inputs summed to MONO)
  • 3.5mm (1/8") AUX input
  • 70V/100V/4 Ohm Euroblock output

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Product Documents

User Manual

Key Features

  • Experience clear audio with this Denon Pro zone amplifier, perfect for announcements.
  • Get flexible connectivity with XLR, RCA, & 1/8" inputs on this distribution amplifier.
  • Enjoy high power output (60W) for robust sound, ideal for background music or paging.
  • Achieve low distortion (<0.1%) for pristine sound quality in any commercial setting.
  • This durable amplifier is rack-mountable, saving space in bars and retail environments.
  • Optimize your sound system with a wide frequency response of 100Hz - 15kHz for clarity.

What's in the box:

  • DN-280 Class D 100W Zone Amplifier with Microphone Input
  • IEC Power Cable
  • Rack Mount Ears & Screws
  • Rubber Feet
  • Euroblock Connector
  • User Guide
  • Safety Manual
  • Denon Pro 1 Year Limited Warranty