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Description
RTI's AMR-220 2 channel mixer amplifier, 20W, is a compact Class-D digital mixer or amplifier for applications requiring switching of two audio sources. Additionally, a microphone can be mixed with the line level audio sources. The adjustable balanced or unbalanced microphone input supports condenser, dynamic or wireless microphones.
RTI's AMR-220 2 channel mixer amplifier is a compact Class-D digital mixer or amplifier for applications requiring switching of two audio sources.
Additionally, a microphone can be mixed with the line level audio sources.
The adjustable balanced or 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.
This mixer amplifier offers power output of 2x 20W at 4Ω or 1x 40W bridged at 8Ω and EQ control (bass / treble).
Its compact form factor has a noiseless convection cooler.
Specification
| Power | +24V DC |
| Audio Input |
One, stereo RCA jacks One, 3.5 mm stereo jack |
| Microphone Input | One, balanced/unbalanced, 3 pin Phoenix connector, switchable line / 48V phantom power |
| Input Impedance | 10Ω |
| Audio Output |
One, stereo speaker output, 4 pin terminal block One, loop output with 3.5 mm jack |
| Rated Output Power | 2x 20W @ 4Ω or 1x 40W bridged @ 8Ω |
| Speaker Impedance | 4Ω or 8Ω |
| Front Panel Control | Five buttons for input select, volume and EQ |
| RS-232 Control | One, bidirectional 3 pin Phoenix connector |
| Frequency Response | 20Hz to 20KHz |
| Bandwidth | 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 |
| Mounting | Surface or wall mount |
| Operating Temperature | -10°C / 14°F to 40°C / 104°F |
| Operating Humidity | 5% to 95% non condensing |
| Dimensions |
Height: 39.5mm / 1.56" Width: 123mm / 4.84" Depth: 87mm / 3.43" |
| Weight | 500g / 1.10lb |
| Warranty | 3 years parts and labour RTB |
Features
- Two input and one output audio mixer amplifier
- Two analogue audio inputs, which are switchable
- Balanced or 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 of 2x 20W at 4Ω or 1x 40W bridged at 8Ω
- EQ control (bass / treble)
- RS-232 control
- Audio loop output to share audio sources with multiple amplifiers
- Compact form factor with noiseless convection cooler
User guides
Download User Guides:
Data Sheet AMR-220
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