Radial Relay Xo Active Output SwitcherThe Relay Xo is an audio switcher designed to route balanced mic or line level signals between two separate destinations, with the ability to be operated remotely with an optional JR 1 footswitch. Designed to address on stage communication problems for artists who employ in ear monitoring systems, the Relay Xo is a remotely controlled active switcher that enables artists on stage to quickly reroute their signal without disrupting the performance.