RTI AMR-220 2 x 1 Audio Mixer Amplifier

RTIAVAD SKU: 138616 MPN: AMR-220

Special Order (Subject to 10% shipping surcharge)

Important Notice: This product is special order only. It is non-cancellable and non-refundable.

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.


  • 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.
AMR-220, power cord, 3-pole pluggable terminal block (1), 4-pole pluggable terminal block (1), RS-232 cable (1), power adapter 24V DC 2.71A (1), plastic cushions (4)

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