NONDK Passive XLR Balanced Audio Source Switcher Box 2 in 1 Out/1 in 2 Out Manual for Microphone Sound Card Mixer

Passive, all gold-plated XLR sockets, the switch is a single-pole double-throw XLR 123 pin. Very simple small device, 1 input, two outputs, use a button switch to switch which output the input signal to. Optimization and upgrade: non-common ground design, switching without noise. Simple and intuitive layout of condenser/dynamic microphone signal switcher, no power supply design, can be used as an audio source, such as computer mixer sound card wireless microphone or wired microphone output signal switching or talkback switching. Quickly re-route, connect output A to the stage sound reinforcement system and output B to the public internal communication bus by your microphone signal.