Solid State Logic SSL 2+ MKII USB Audio InterfaceThere are very few companies in the history of music and audio production that have been more influential, helped create more hit records and developed more technology that changed the production game than Solid State Logic. With the SSL 2+ MKII, youre not just getting an audio interface; youre investing in a piece of SSLs knowledge, heritage, and complete understanding of what matters in music production. The original SSL 2+ interface raised the bar