1
Introduction
The KD-AMP220 is a 2x20 watt Class-D amplifier with 8
Ω
speaker output ideal for
installation in presentation spaces. Input connections accommodate microphone, line level
balanced/unbalanced, and line level 3.5mm stereo analog audio inputs. The output is a mix
of audio from the microphone input and the selected audio input. Microphone and output
volume levels may be variably controlled via IR, RS-232, or the front panel, and speaker level
output may be set to bridge, stereo, or mono mode.
Key Features
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Class D Amplification:
40-Watt @ 8ohm / 20-Watt @ 4ohm
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Mixing:
Output is a mix of microphone and the selected audio input
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Signal Processing:
»
Variable volume level set for each input
»
Variable volume, bass, and treble for output
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Inputs:
Microphone (3-pin balanced, condenser/dynamic), 6-pin balanced stereo, 3.5mm stereo
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Phantom Power:
48V phantom power for integration with condenser microphones
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Outputs:
Pre-amp line level (6-pin balanced), speaker level
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Speaker Level Output:
Bridge, stereo, or mono modes selectable
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Noise gate:
For consistent audio levels, prevention of ambient noise
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Control:
Front panel, RS-232, IR with external IR Sensor (included)
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Compact Size:
4.84”(W) x 3.42”(D) x 1.3”(H)
Accessories
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Operating Instructions & Warranty card
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2 x L-type mounting ears
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IR Remote Control
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2 x 3-pin, 1 x 4-pin, 2 x 6-pin Phoenix Connectors
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Power Supply: 24V/2.71A (65W), screw-in type
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IR Sensor
