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Key Digital KD-AMP220 2 Channel 20 Watt Per Channel Compact Digital Amplifier

In stock (50 items available)
  • Brand
    Key Digital
  • SKU
  • Weight
    2.00 lbs
  • Warranty
    3 Years
  • Condition
  • Status
    In Stock

  • $350.00

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Product video

  • Weight
    2 lbs
  • SKU
  • Mnf#/Vendor#
    Key Digital

The KD-AMP220 is a 2 by 20 watt Class-D amplifier with 8 Ω speaker output ideal for installation in presentation spaces. Input connections accommodate a microphone, line level balanced or unbalanced, and line level 3.5mm stereo analog audio inputs. The output is a mix of audio the microphone input produces and the selected audio input. Microphone and output volume levels may be slightly controlled through Infrared, RS-232, or the forefront panel, and speaker level output may be assigned to bridge stereo or mono mode.


  • Class D Amplification: 20W PER CHANNEL @ 4ohm, 40W @ 8ohm BRIDGED
  • Mixing: Output is a mix of microphone and the selected audio input
  • Signal Processing:
    • Variable volume level set for each input
    • Variable volume, bass, and treble for output
  • Inputs: Microphone (3-pin balanced, condenser/dynamic), 6-pin balanced stereo, 3.5mm stereo
  • Phantom Power: 48V phantom power for integration with condenser microphones
  • Outputs: Pre-amp line level (6-pin balanced), speaker level
  • Speaker Level Output: Bridge, stereo, or mono modes selectable
  • Noise gate for consistent audio levels, prevention of ambient noise
  • Control: Front panel, RS-232, IR with external IR Sensor (included)
  • Compact Size: 4.84”(W) x 3.42”(D) x 1.3”(H)