Barton BMC045 Prog Router (2 PCB+PIC)

This module is a PIC based 4x4 patching matrix. The four inputs on the bottom are routed to the four outputs on the right, and the routing pattern is controlled by the pushbuttons. Patterns are saved to one of sixteen memory bank slots which are selected with the knob on the lower left, these are saved and loaded using the pushbuttons. The module is powerful and easy to use.

Documentation here: Prog Router