I have Sonos throughout my home, but because of the horrific wi-fi quality it's virtually unusable. Is there such thing as a portable bluetooth speaker that is very high quality? If so, any suggestions?

I have a couple of questions regarding TIDAL and Chord Mojo. If I keep all of the TIDAL's Mojo settings unchecked ("Use Exclusive Mode," "Force Volume," and "Passthrough MQA"--all unchecked), according to Mojo (Purple color lit) I am hearing 768K sound. If I check all 3 of the options above, I...

Roberta Flack.