VST Warehouse - Brainworx - bx_cleansweep
bx_cleansweep is a Hi-Pass filter and Lo-Pass filter plug-in featuring "Anti Crush Technology". It offers analog-style filter curves, without the typical Nyquist problems, in a filter design taken from Brainworx's pro mastering EQ bx_digital V2. First order filters (6 dB) guarantee a musically sounding filter set and unique joystick control (taken from bx_hybrid) gives you fast and intuitive control.
Clever shortcuts (Alt/Shift/Ctrl) allow for detailed control over the X-axis and Y-axis of the joystick, and the EQ knobs can be set to precision mode by shift-click as well.
Brainworx says that bx_cleansweep is the plug-in that should go into EVERY mix channel as the first plug-in. This way you can filter out any unwanted hi-end and lo-end and the result is a clean and tight mix.