The Alesis PhonoLink Stereo RCA-to-USB Cable Interface is a simple, plug-and-play audio interface for both Mac and PC computers. The cable features a standard USB connection and RCA inputs that are switchable between line and phono (turntable) signals. A ground terminal is also available for connecting turntables. The PhonoLink also features a level control dial, 16-Bit / 44.1kHz audio resolution and measures 6.5' (2m) in length.