Newest addition to battery powered P.A. gear is the Bose S1 Pro. Channels 1 & 2 are XLR and 1/4" combo jacks and both have switchable ToneMatch. Channel 3 is BlueTooth 4.0, or 18" input. Channels 1 & 2 also have bass, treble and reverb. It will run 6 hours at 103db on a single charge.
Using my Behringer Xenix 1002B battery powered mixer, you can see my setup in the following photos. Active preamp DI boxes send a U-Bass and three other acoustic electric instruments to the mixer, along with 3 microphones and the Bose S1 Pro handles the whole band with clean audio. More microphones and instruments can be added, but this is my setup:
It's easier to ask for forgiveness, than permission!