We've thought about it but then decided to concentrate on more popular features, which appeal to a wider audience.
One day we'll return to the expansion of the PROC menu, but it won't happen any time soon.
Роман, Roman Expert Electronics
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You can use a DAW (Digital Audio Workstation) software, routing Mic signal through VAC and you have there multiple effects (compression, EQ, reverb, gate, limiters ...) but as DL9NBJ said, for 2.7-3KHz you will not get much improvements.