Blue Cat Audio FreqAnalyst Multi Multiple Track Spectral Analysis Tool Plug-In

Allowing you to compare the spectral analysis of several tracks at once, the FreqAnalyst Multi Spectral Analysis Tool Plug-In from Blue Cat Audio gives you the ability to see which parts of the spectrum individual instruments in your mix use. Its Diff view allows you to compare the spectrum of several instances, which can be used for EQ matching or curve response management.