QB Equalizer

x64 windows macos vst  au 

QB Emulates Legendary API 550B Vintage American Console Equalizer*

QB, which is an API 550B analog modelling, is unbelievably fast because it is a pure DSP algorithm. You get renowned high-quality sound with the right curves. Put QB on a track, turn the high band all the way up and hear the quality!

It has a modern, easy-to-use user interface. You’ll love its aggressive structure and proportional Q feature.

QB vintage American console 4-band parametric equalizer plug-in supports VST, VST3, AU and AAX plugin formats.

*API is a trademark of Automated Process,Inc. the originator of the 550B and is not affiliated with Volko Audio LLC