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Product Description
Key Digital KD-AMP220 2-Channel Compact Digital Amplifier - KD-AMP220
Designed for speech reinforcement in classrooms, conference rooms, and other small- to medium-size venues, the KD-AMP220 from Key Digital is a 2-channel Class-D compact digital audio amplifier capable of delivering 20W per channel at 4 Ohms or 40W at 8 Ohms in bridged mode. The amp has a microphone input that allows you to provide phantom power to a condenser microphone. There are two analog inputs to choose from, a 6-pin terminal block and a 3.5mm stereo port. The output is a mix of the microphone and the selected audio input. In addition to the front-panel controls, the KD-AMP220 offers control via RS-232 or IR for integration with your professional AV control system.
- Class-D amplification
- Two channels at 20W per channel at 4 Ohms, or 40W at 8 Ohms bridged
- 3-pin balanced input for condenser/dynamic mic
- 6-pin balanced stereo and 3.5mm stereo inputs
- Output is a mix of microphone and selected audio input
- Variable volume level set for each input
- Variable volume, bass, and treble for output
- 48V phantom power for integration with condenser microphones
- Speaker-level and 6-pin balanced pre-amp line-level outputs
- Bridge, stereo, or mono mode selectable for speaker-level output
- Noise gate for consistent audio levels and prevention of ambient noise
- Front-panel controls
- Fully controllable via IR and RS-232 control systems via open API
- Compatible with Compass Control Pro system
- External IR sensor included
Key Features
- 20W per Channel at 4 Ohms
- 40W at 8 Ohms Bridged
- Input for Condenser/Dynamic Mic
- 48V Phantom Power for Condenser Mics
- 3.5mm & 6-Pin Analog Audio Inputs
- Line-Level & Speaker-Level Outputs
- Bridge, Stereo & Mono Output Modes
- Outputs Mix of Mic & Audio Input
- Control via Front Panel, RS-232, or IR
- Extenal IR Sensor Included
