Advent Frequency Balance ControlEqualizer#102020$99.00
ADC Sound Shaper One Equalizer #70815 $79.00
Audio Control Video/Audio Detailer Equalizer #12520 $129.00
Audio Control Octave Plus Octave Equalizer Analyzer w/ Subsonic Filter #12036 $139.00
McIntosh MQ-104(1977-1982)Custom Environmental Equalizer#11918$229.00