Everything works as it should. Pioneer MA-9 Mic Mixer is a vintage gem from 1993 and has been tested to ensure it is in working order. It features digital echo and a component RCA output, with three mic inputs and one output. This karaoke mixer is perfect for any music lover or entertainer, and is sure to add a touch of nostalgia to your collection. Made in Japan, this mixer is a rare find and a must-have for any karaoke enthusiast.