The ART COOLSwitchPro A/B-Y Switch with Isolation is a handy foot-operated box that lets you switch an instrument signal (guitar, bass, or keyboard) to either of two amplifiers or amp channels, A or B. The "Y" function sends the input signal to both the A and B outputs in parallel.
The ART COOLSwitchPro is completely passive with true bypass and is housed in a rugged, stable case with industrial-grade footswitches spaced for easy operation. It will provide many years of reliable service, whether on stage or in the studio.