TOA D-4 (-10dB internally switchable pre- and post-EQ inputs 1-4, main L-R and mono SUM.)(pre-EQ auxes are post 'pre' insert.)

TOA D-4E (-10dB internally switchable pre- and post-EQ all 6 inputs (labeled 5-10))(pre-EQ auxes are post 'pre' insert.)

TOA D-5.5 (-10dB both pre-EQ and post-fader patch points are available on inputs 1-8, both pre- and post-fader patch points on groups 1-4, main L-R and mono SUM.)(pre-EQ auxes are post 'pre' insert.)

TOA D-5.5E (-10dB both pre-EQ and post-fader patch points are available on all 12 inputs (labeled 9-20))(pre-EQ auxes are post 'pre' insert.)