Alkex Professor Prophet V MIDI controller

Note: links to listings are affiliate links for which the site may be compensated.

via this auction

You can find details and videos of the Alkex Professor here.

"Super rare, no longer made. Excellent condition, original owner.

Features include: MIDI in and out, built-in USB-MIDI interface, optionally USB bus powered, control of 52 parameters, included power supply, and 5-year warranty (2-year warranty in the brochure).

It has 27 rotary dials, 25 switches, 27 LED indicators, and is entirely re-mappable via MIDI learn.

23-inches in length, 5.5 inches high, and 5-inches deep."