It is a 400-watt, full-range keyboard amplifier designed to function as a personal PA system.
It features separate inputs on each channel, allowing it to handle keyboards, microphones, and other instruments.
The amplifier includes equalization controls (low, mid, high) and a reverb send knob for each of its three channels.
It has a large main speaker (likely 15 inches) and a smaller tweeter for full-range sound reproduction.