http://www.rolandconnect.com/product.php?p=capture
DUO-CAPTURE: Versatile Audio I/O for Mac and PC
Two is the magic number for the DUO-CAPTURE USB audio interface. It's equipped with two audio inputs and two audio outputs.
TRI-CAPTURE: The new head of its class is the multifaceted TRI-CAPTURE USB interface — a unique, compact audio interface optimized for personal and mobile recording, vocal and guitar recording, and streaming-internet applications.