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Key Digital® Compact Digital Audio Amplifier
Model #: KD-AMP220
134771
Key Digital
At a Glance
Key Digital® Compact Digital Audio Amplifier with two channels and 80db signal to noise ratio
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$99,999.00Save $NaN
Get to know this product.
Class D 2 Channel 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)
Specifications
- Frequency Response: 20Hz – 20KHz
- Signal to Noise Ratio: <80dB
- Total Harmonic Distortion: <1% @ 1KHZ, < 0.3% @ 20Khz
- Input Impedance:
- Mic: 35? with 48V phantom power applied, 10K ? without
- Line: >10K ?
- Output Impedance:
- Speaker: 4? – 8?
- Line: 50?
Useful Documents
Proposition 65 Warning for California Residents