NuX PLS-4 Four-Channel Line SwitcherNotes Brand new Proflex Series PLS 4 is a four channel Line Switcher. You can use an extensional footswitch pedal to select one of the four channels. For example, plug the guitar to the INPUT, send the sound to 4 different amplifiers, and select one of the amplifiers. Or, input 4 audio devices to PLS 4 and select one of them to output. 1 in to 4 outs or 4 in to 1 out Remote Function True Bypass Design Hum Free Design Mute Function A NuX PLS 4 Four