Save patching time and wear-and-tear on your equipment I/Os with the Sescom XLR-AB2. This passive A/B switch gives you an easy and economical way to select and route two separate 2-channel XLR audio sources to one stereo output, making it perfect for things like switching between two mixing board main outputs for sending audio to a shared set of PA speakers. The Sescom XLR-AB2 is housed in a lightweight ABS plastic enclosure for use in the recording studio or on-stage applications. The unit offers a center off switch and no power is required.