Shure Microflex MX418D/S Supercardioid Condenser Microphone, 18 Gooseneck, Includes Desktop Base with 10' Cable, Logic Functions, Programmable Switch, LED Indicator, Snap-Fit Foam WindscreenDesktop Base with 10' Cable, Logic Functions, Programmable Switch, LED Indicator, Snap-Fit Foam Windscreen.Programmable on/off switch and LED on/off indicator.New brighter LED improves visibility under strong ambient lighting.Logic input and output terminals for remote control or use with automatic microphone mixers.Wide dynamic range and frequency response for accurate sound reproduction across the audio spectrum.Interchangeable cartridges provide the right polar pattern for every application.Balanced, transformerless output for increased immunity to electromagnetic hum and RF interference over long cable runs.