Downloads: Equalizer APO | E-APO Stereo Upmixer.
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1A: Disable the device(s) that you want to add Equalizer APO to | 1B: For DTS DCH run 'Equalizer APO.reg' from 'DTS Settings' on the device(s):
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2: Install EAPO, at the config, tick the device(s) you want, at the bottom tick...