QuikQuak UpStereo Pro is a stereo enhancer that uses a unique technology to enhance the stereo effect without phase shift and inversion effect. The plugin uses spectral processing, and is designed to move the current position of the audio pan around the stereo field. The punch and sizzle parameters precisely control the attack of the transients and the intensity of the bass and treble. The Linear EQ fine-tunes your mix with spline editing