AMR-220 2 X 1 AUDIO MIXER AMPLIFIER
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 IR and RS-232, as well as a convenient top control panel.
KEY 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).
- IR control (via optional IR remote).
- 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) |
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 WARNING: This product contains chemicals including Styrene which is known to the state of California to cause cancer, and Bisphenol A (BPA), which is known to the state of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
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