Douk Audio L3 3-Way Loop Switcher Box Stereo 1(3)-IN-3(1)-OUT Audio Selector

Multifunctional L3 audio switcher is originally designed by Douk. Audio Studio, it is not only an audio switcher that can work in. a loop switcher that can add up to 3 audio effectors to create. 3 channel audio loop switcher with bypass: L3 can add up to 3.

eBay