The 4TCDG karaoke duplicator offers optical disc burning technology suitable for anyone involved in disc duplication at home, office, or studio. The user-friendly LCD interface provides a simple one-step copy function that burns blank discs at an optimal speed producing a maximum of 4 copies every burn cycle. Burning speeds are adjustable and other standard menu features are available for advanced users. A computer is not required at all for this standalone duplication device. All inside the copy tower itself, different CD and CD+G disc formats are automatically detected to allow stable and secure buffer under run protected burning without the added trouble or stress from a computer to handle such functions. Benefit from high volume disc output, reliable performance, and an affordable price from this fast, cost effective solution.