Check the listing for details. SSL 12 Audio Interface. Condition: Open box. Listed at 499.89 USD. #html-body [data-pb-style=SJMNJ94]{justify-content:flex-start;display:flex;flex-direction:column;background-position:left top;background-size:cover;background-repeat:no-repeat;background-attachment:scroll}SSL 12 is a 12-in/8-out USB bus-powered audio interface that enables you to get studio-quality audio into and out of your computer with minimal fuss and maximum creativity. Building upon the success of SSL 2 and SSL 2+, SSL 12 gives you more. More I/O, more performance and more versatility. SSL 12 is fully integrated with SSL 360° software: Your SSL Control Room. Here you can assign monitor controls, create multiple independent headphone mixes, choose your Loopback source, customize the 3 front panel user-buttons and much more. SSL 12 presents a combination of professional features and.