API Standards and their descriptions - Engineersfield

api500The API 500 Series EQ Plug-In Collection gives you the punch, low-frequency transparency, and ultra-tht imaging of API’s iconic 550A and 560 Series EQs.The API 500 Series EQ Plug-In Collection gives you the punch, low-frequency transparency, and ultra-tht imaging of API’s iconic 550A and 560 Series EQs.