Denon Zone Amplifier with Microphone Input - DN-280

Overview

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 4Ω 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.

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/4Ω Euroblock output

Specs:

• Total Harmonic Distortion: 
• <0.1% (A-weighted)
• Frequency Response: 
• 100Hz – 15kHz (+0/-3dBv)
• Signal-to-Noise Ratio: 
• >95dB (A-weighted)
• Damping Factor:
• >200 (1k 8Ω)
• 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: 
  • 20kΩ balanced or 10kΩ unbalance
• Power
• 100V ~, 50/60Hz, 100W
• 110–120V ~, 50/60Hz, 100W
• 220–240V ~, 50/60Hz, 100W
• Voltage Gain: 
  • 40+0/-1dB (100V)
• Dimensions (width x depth x height):
• 7.9” x 10.7” x 1.7” (200 x 273 x 43mm)
• Weight:
• 5.3 lbs. (2.4kg)

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