If not a full width control, then the ability to mono a stereo channel - i.e BT/USB/Stereo In.
Quite often a PA is actually mono, so both sides of a stereo input need to be included in the mono mix.
If not a full width control, then the ability to mono a stereo channel - i.e BT/USB/Stereo In.
Quite often a PA is actually mono, so both sides of a stereo input need to be included in the mono mix.