API Audio 500-8P Lunchbox

api 500 slotThe 500VPR can hold up to ten API modules. API makes several modules to fit this rack, including the 550A, 550b, 560, 525, and 512c. Like all API products, the 500VPR rack enjoysAPI founder Saul Walker desned the 500 Series as a modular expansion system for their recording consoles, allowing engineers to easily swap out different processing modules like