Radial SW8 Auto-SwitcherThe Radial SW8 is an 8 channel auto switcher that allows you to set up a redundant backup system by automatically switching between two multi channel playback systems. Designed primarily for live concerts and stage shows where backing tracks are used for orchestration, vocals and sound effects, SW8 employs an adjustable gate to detect a machine malfunction and automatically switch to a second backup machine to deliver a seamless performance. The SW8