FabFilter FX Bundle (Download)FabFilter's FX Bundle contains all of FabFilter's most important effect plug ins: including a professional EQ, reverb, compressor, multiband dynamics, limiter, de esser and gate expander, and their inspiring distortion saturation, delay and filter plug ins. This FX Bundle includes the following FabFilter Plug Ins: FabFilter Pro Q 4 An equalizer is probably the tool you use most while mixing and mastering, so you need the best of the best. FabFilter