Numark TT250USB | Professional Direct Drive Turntable with Magnetic Cartridge, Aluminum Platter & S-shaped Tonearm Quartz-controlled direct drive motor for playback speed accuracy; instant torque: 2.0 kgfcm S-shaped tone arm ensures precise tracking of record grooves Die-cast aluminum platter for rock-solid stability (.09% wow & flutter) 45 and 33 1/3 RPM speeds and selectable 115/230V operation Converts records to digital files with USB cable connection to computer