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Denon Professional DN-280 Zone Amplifier with Microphone Input
SKU
DN-280
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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.
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.
Denon Professional DN-280 Zone Amplifier 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.
Denon Professional DN-280 Zone Amplifier Product 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 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)
Each Retail Box Includes:
(1) Denon Professional DN-280 Zone Amplifier(1) IEC Power Cable
(1) Rack Mount Ears & Screws
(1) Rubber Feet Kit
(1) Euroblock Connector
(1) User Guide
(1) Safety & Warranty Manual
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