Like it's big brother the DA-1050 Pro, the DA-1000 Pro sports excellent features desired by both professional and home karaoke enthusiasts alike. With digital Echo, Delay, and Repeat controls, Vocal Cancel and Partner functions, the DA-1000 Pro is a powerhouse! If expandability is what you are looking for, look no further. The DA-1000 Pro gives you three additional microphone inputs, two extra A/V inputs, and 3 extra video outputs, all for a price as slim as its rackspace-saving construction.