Welcome To Kart It. We are one of the Prime E-Commerce retailers for a vast portfolio of products and have been strengthening our foothold in the competitive world of Online Retail. Professional rack mountable digital karaoke mixer. Great choice for use in bars, churches, schools, and clubs as well as in-home systems. Professional digital echo with separate repeat and delay controls per mic channel. 3 microphone inputs with individual volume controls and echo on/off switches. Included mounting brackets for rack mounting. Professional Digital Echo with Separate Repeat and Delay Controls for. 3 Mic inputs with individual Volume controls and Echo On/Off Switches. Thank You For Visiting.