Radial Engineering SW8 Auto Switcher (8x8 Channel)The Radial SW8 is an 8 channel auto switcher that allows you to set up a redundant backup system by automatically switching between two sources such as a pair of digital recorders, computers or network systems. Designed primarily for live concerts and stage shows where backing tracks are used for orchestration, vocals and sound effects, the SW8 employs an adjustable gate to detect a machine malfunction and automatically switch to a second backup