PSP MasterQ 2Usually mastering equalisers are solely focused just on equalization, but PSP MasterQ2 is not merely a masteringEQ; the Q stands for Quality. We designed it to be a creative tool for mixing and mastering and wherever its features and quality are needed for the job. Yes, we can try to impress you with the features: it can operate at sampling rates ranging from 44. 1 to 192kHz. It offers seven filters: 12, 24, and 36 dB oct low cut and high cut filters;