Very simple small device with 1 input and two outputs, using a button switch to select which output receives the input signal. Passive design with all gold-plated XLR sockets; the switch is a single-pole double-throw XLR 123 pin. Optimized for noise-free switching with non-common ground design. Simple and intuitive condenser/dynamic microphone signal switcher; no power supply required. Can be used with audio sources such as computer, mixer, sound card, wireless microphone, or wired microphone for signal switching or talkback applications. Quickly re-route your microphone signalconnect output A to the stage sound reinforcement system and output B to the internal communication bus. Zero latency, studio-grade balanced XLR output jacks enable lossless switching between outputs. Simple and fast operation. Note: Condenser microphones require 48V phantom power; slight pop may occur when switching due to power impact. Interfaces: 1 male XLR input 2 female outputs: XLR and 6.5mm TRS Color: Black Material: Aluminum alloy Package Contents: 1 x Audio Switch Note: Light reflection and display differences may cause slight variations in color between image and actual item. Measurement error allowed within +/- 1-3 cm.