Key Digital KD-AMP220 2-Channel Compact Digital Amplifier

BH #KEKDAMP220 • MFR #KD-AMP220
Key Digital
Key Digital KD-AMP220 2-Channel Compact Digital Amplifier
Key Features
  • 20W per Channel at 4 Ohms
  • 40W at 8 Ohms Bridged
  • Input for Condenser/Dynamic Mic
  • 48V Phantom Power for Condenser Mics
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.
Special Order
Expected availability: 7-10 business days
$350.00

Important Notice

  • This item is noncancelable and nonreturnable.

Key Digital KD-AMP220 2-Channel Compact Digital Amplifier

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Key Digital KD-AMP220 Overview

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
UPC: 815996020358

Key Digital KD-AMP220 Specs

Power Amplifier
Number of Channels2
Power Rating20 W per Channel
40 W Bridged
Amplifier ClassClass-D
Performance
Frequency Response20 Hz to 20 kHz
Input ImpedanceMic:
35 Kilohms
Line:
>10 Kilohms
SNR<80 dB
THD<1% (1 kHz)
Signal Processing
CrossoverYes
LimitingYes
Connectivity
I/O1 x Terminal Block 3-Pin Female Balanced Mic Input
1 x Terminal Block 6-Pin Female Balanced Line Input
1 x 1/8" / 3.5 mm Female Unbalanced Line Input
1 x Terminal Block 6-Pin Female Balanced Line Output
1 x Terminal Block 4-Pin Female Speaker Output
1 x Terminal Block 3-Pin Female Control Input/Output
USB1 x Micro-USB (Service)
Power
AC Input Power120 VAC, 60 Hz
Physical
Dimensions4.8 x 1.3 x 3.4" / 12.2 x 3.3 x 8.6 cm
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