Universal Audio (UA), a leading manufacturer of professional audio recording hardware and software, is pleased to announce the impending release of the API 500 Series EQ Plug-In Collection for the UAD Powered Plug-Ins platform and Apollo High-Resolution Audio Interface. This API-endorsed, UA-developed collection features superior emulations of the legendary API 550A 3-Band and API 560 Graphic equalizers — two of the most popular and enduring audio equalizers ever made.