This part of a music mixing board controls features like treble & bass
I could mix down the 
bass in the equalizer that is part of the software suite ... RTEQ 4 was designed to 
be an useful utility for processing music files like MP3s or WAVs and for ... 
distribute on-board audio device drivers), then the available settings... [DOC] [TLE] Pro audio mixer buying guide - Crutchfield [PAR] Jul 19, 2016 ... A mixer is the brains and control center of a recording studio or PA system.