: Supports up to three wired microphones and features multiple audio/video inputs, including DVD, TAPE, AUX, and BGM.

: Equipped with 3 microphone inputs. Some variations may include 2 front and 2 rear inputs for flexible setups.

The rotary gain knobs are not volume controls; they are input attenuators. For best signal-to-noise ratio:

One of the most versatile features of the RMA 220 is its input routing. The rear panel hosts a variety of connectors designed to accept signals from different source types, ensuring compatibility with legacy hardware and modern devices.

emphasize its high power consumption (650W) and thermal efficiency.