Product Description
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• Two input, one output audio mixer/amplifier
• Two analog audio inputs (switchable)
• Supports microphone mixing to an audio line source
• Power Output: 2 x 20W (4 Ohms) or 1 x 40W bridged (8 Ohms)
• Built-in Class-D amplifier; RS-232 control; EQ control (bass / treble)
• Balanced/unbalanced adjustable microphone input with 48V phantom power for condenser, dynamic, or wireless microphones
The AMR-220 is a compact-size Class-D digital mixer/amplifier for classroom or meeting room applications requiring switching of two audio sources (e.g., laptops, video conference systems). Additionally, a microphone can be mixed with the line-level audio sources. The adjustable balanced/unbalanced microphone input supports condenser, dynamic, or wireless microphones.
The loop output can be used to share the same audio sources with multiple AMR-220s that power more speakers in different audio zones. The AMR-220 offers various control options, including RS-232, as well as a convenient top control panel.
Features
- Two input, one output audio mixer/amplifier.
- Two analog audio inputs (switchable).
- Balanced/unbalanced adjustable microphone input with 48V phantom power for condenser, dynamic, or wireless microphones.
- Supports microphone mixing to an audio line source
- Built-in Class-D amplifier
- Power Output: 2 x 20 Watts (4 Ohms) or 1 x 40 Watts bridged (8 Ohms).
- EQ control (bass / treble).
- RS-232 control.
- Audio loop output to share audio sources with multiple amplifiers.
- Compact form factor with noiseless convection cooler.
Specifications
| Power | +24 VDC |
| Mounting | Surface / wall mount |
| Audio Input | One Line Input Stereo (RCA jack) One Line Input Stereo (3.5 mm jack) |
| Microphone Input | One balanced/unbalanced (3-pin Phoenix Connector), Switchable Line / 48V Phantom Power |
| Input Impedance | >10K Ohms |
| Audio Output | One Stereo Speaker Output (4-pin terminal block) One Loop Output (3.5 mm jack) |
| Rated Output Power | 2 x 20 Watts @ 4 Ohms / 1 x 40 Watts bridged @ 8 Ohms |
| Speaker Impedance | 4 to 8 Ohms |
| Frequency Response | 20Hz to 20KHz |
| Bandwith | 20Hz to 25Khz |
| Signal-to-Noise Ratio | 80dB at maximum output |
| Channel Separation | >75dB @ 20Hz to 20Khz |
| Voltage Gain | 32dB |
| CMRR | >70dB @ 20Hz~20KHz |
| Total Harmonic Distortion + Noise @ 1KHz | 1% at nominal level |
| Total Harmonic Distortion + Noise @ 20KHz | 0.3% at nominal level |
| Front Panel Control | 5 Buttons for Input Select, Volume and EQ |
| RS232 Control | One, Bidirectional control (3-pin Phoenix Connector) |
| Operating Temperature | C -10 to +40 degrees F +14 to +104 degrees |
| Operating Humidity | 5% to 95% Non-condensing |
| Dimensions WxHxD | 4.84" (123mm) x 1.55" (39.5mm) x 3.42" (87mm) |
| Weight | |
| Warranty | Three Years (Parts & Labor) |
All features and specifications are subject to change without notice.
