A Special Edition of Universal Audio's Popular Apollo Solo Interface, with a Bundled UAD Plug-In Package Worth over $1,300 Shape your recordings into records with genuine UA conversion and classic mixing tools. Featuring class-leading Universal Audio conversion, two Unison mic preamps, and a suite of built-in effects, Apollo Solo USB puts album-quality recording on your desktop. This 2 x 4 USB audio interface for Windows also includes a generous collection of UAD plug-ins to record vocals and instruments through, at near-zero latency.