Voltage Controlled Switch

The Voltage-Controlled Switch provides two independent electronically controlled switches that can pass audio signals or CV in any direction.

The Stoel Music Systems Dual Voltage-Controlled Switch provides two electronically controlled switches. The two switches are bi-directional so that the signal can flow in either direction. CV or audio signals are supported. Each switch can be used with one input (COM jack) that may be selectively routed to two different outputs (A or B), or as two inputs (A or B) that can be selected to go to one output (COM jack). Without CV input on the CV jack, the common jack is connected to the A jack. When CV is applied, the common jack is connected to the B jack. LEDs indicate whether A or B is connected to the COM jack.

https://www.stoelmusicsystems.com/eurorack/voltage-controlled-switch