Key Digital KDAMP220 2 Ch 20 WPC @ 8 Ohm, 40 WPC @ 4 Ohm Compact Digital Amplifier

Key Digital KDAMP220 2 Ch 20 WPC @ 8 Ohm, 40 WPC @ 4 Ohm Compact Digital Amplifier

Key Digital KDAMP220 Features

• 20W per channel at 4 ohm and 40W at 8 ohm for Class D 2 Channel Amplification BRIDGED
• Mixing: The output is a blend of the selected audio input and the microphone
• 3.5mm stereo, 6-pin balanced stereo, 3-pin balanced condenser/dynamic microphone and inputs
• Phantom Power: 48V phantom power for condenser microphone integration
• Speaker level and pre-amp line level (6-pin balanced) outputs
• Speaker Level Output: Selectable bridge, stereo, or mono modes
• Noise control for stable audio levels and reduction of background noise
• Front panel, RS-232, IR with an external IR sensor are the controls (included)
• Support for Control Systems: Compass Control® Pro prepared. Fully controllable through open API by all IR- and RS-232-compatible control systems
• Small Dimensions: 4.84" (W) x 3.42" (D) x 1.3" (H)

KDAMP220's Signal Processing:

• Variable volume level set for each input
• Variable volume, bass, and treble for output

KDAMP220 Specifications

I/O Connections:

• Analog Inputs: One (1) 6-pin Phoenix Connector; One (1) 3.5mm TRS Connector
• Microphone Input: One (1) 3-pin Phoenix Connector
• Control (Front Panel): Push Button, Rotary Knob
• Control (Rear Panel): RS-232 via One (1) 3-pin Phoenix Connector; IR via One (1) 3.5mm TRS Connector
• Microphone 48V Phantom Power Mode Switch: One (1) 2-Position Slide Switch
• Output Signal Format Selector: One (1) 3-Position Slide Switch
• Balanced/Unbalanced Analog Audio Output: One (1) 6-pin Phoenix Connector
• Speaker Output: One (1) 4-pin/5 mm Phoenix Connector
• 24V DC Power: One (1) Barrel (5.5 mm OD, 2.1 mm ID)

KDAMP220's Audio Performance:

• Input Impedance: >10k ?
• Output Impedance: 50 ? Analog Output; 4/8 ? Speaker Output
• Maximum Rated Power Output: 40 Watts
• Frequency Response: 120 Hz to 20 kHz
• Common Mode Rejection Ratio (CMRR): >70 dB at 20 Hz to 20 kHz
• Signal to Noise Ratio (SNR): 80 dB (Max)
• Total Harmonic Distortion + Noise (THD+N)L: 1% at 1 kHz; 0.3% at 20 kHz at Nominal Leve
• Voltage Gain: 32 dB

Chassis and Environmental:

• Enclosure: Painted Aluminum
• Dimensions (W x H x D): 8.661” x 1.299” x 4.094” (LxDxH)
• Net Weight: 1.153 lb
• Operating Temperature: +32° to +104° F (0° to +40° C)
• Operating Humidity: 20% to 90%, Non-condensing
• Storage Temperature: +14° to +140° F (-10° to +60° C)
• Storage Humidity: 20% to 90%, Non-condensing

Power, ESD, and Regulatory:

• Minimum Power Consumption: 5 watts
• Maximum Power Consumption: 45 watts
• Power Supply Input Voltage: 100-240v AC at 50/60 Hz at 0.5 A
• Power Supply Output Rating: 24V DC at 2.71 A
• ESD Protection: 15kV
• Device Regulatory: CE, FCC
• Power Supply Regulatory: CE, FCC