Realphones Ultimate by dSONIQ is a plug-in that has been designed to correct headphone distortion. This interface is a VST, AU and AAX plug-in that gives you a platform for headphone and virtual studio correction and emulation. The plug-in's technology corrects distortion problems in the sound played from headphones giving you aid to correct imperfections for optimal mixing tracks and playability. Select your headphone model to apply the adjustment profile. More than 100 headphones are supported. You can select recalibrate profile for coordinating with third-party headphones correction software. Apply the degree of the frequency response redress to your headphones. 100% speaks to full matching to the measured values.