Roland SC-D70 - The SC-D70 is a superior-quality, full-digital audio device that can be connected to computers with a single USB cable. The newly developed custom chip features 24-bit processing (both internally and for AD/DA conversion), sampling rates of 48 kHz (for use with DAT), and 44.1 kHz (for use with CDs and MiniDiscs). It is also equipped with S/P DIF coaxial and optical input/output connectors, allowing you to import/export audio sources with no distortion. The SC-D70 includes analog input and output jacks (Mic/Guitar, audio input jacks), so you can connect your favorite instruments and music sources to the computer for recording.