Four Rack Mountable Channels of Cloudlifter for Installations and Touring Racks Active Ultra-Clean GainProvides four channels of up to +25dB of ultra-clean gain and optimal impedance loading for dynamic and ribbon mics to perform their best. Plug & PlayConnect up to four dynamic or ribbon mics to the input and connect the output to a mixer or preamp. Great for recording/broadcast studio installation or live rigs. Phantom PoweredTurns Phantom Power into gain and clarity without passing it through to your delicate ribbon mic. Reduce FeedbackThe Cloudlifter allows you to cut through the mix on stage with increased gain before feedback. Premium ElectronicsThe Cloudlifter's discrete JFET circuitry preserves the source's natural sound while keeping the direct audio path clear of transformers, capacitors, and resistors. Made in the USARugged, road-ready, standard 19" rack mountable. Manufactured responsibly in the USA. Free lifetime limited warranty. The Cloudlifter CL-4 is made for installations. Recording & broadcast studios, live sound touring rigs, houses of worship, clubs and music venues.Features: Gives passive mics up to +25 dB additional active output Provides 2 distinct stages of clean gain Easy to use self-contained design requires only phantom power Recommended for use with all passive dynamic microphones Compatible with tube, battery, or power supply driven microphones Safe for all passive ribbons with no transfer of phantom Utilizes Patent Pending Class A, Discrete JFET circuitry Ideal impedance loading for optimal performance @ 3 kOhms Rugged, road ready, and portable, for studio, stage, and broadcasting Specifications: I/O:4x XLR input4x XLR output Input Impedance: 3 kOhms Gain: +25 dB