Then you need to select the karaoke system that you will use. The most well-known (and cheaper, at least as a rental price tag) is CDG process, using CDs and Dvd, and which is used practically the many smaller clubs karaoke. Obviously, you can opt for more efficient systems that read information in the stick or external hard disks, because these formats may be easily stored and run directly from some gadgets like laptops or capsules or smart phones. An entire installation will include a few speakers karaoke stands, some sort of mixer and an amplifier, some sort of CDG, microphones, a monitor / TV to show lyrics and all converter cables and accessories. In all these is component, make sure you are brands which you could trust, even if not the most famous names available, for better spend several dollars extra than to have to do problems in the middle of the performance. My websites: Subwoofer Auto