Wow, thanks for the info on removing volume limit. I've been meaning to buy UAAP, but didn't realize it removed the volume limit for other apps as well. I listen to mixcloud and soundcloud apps a lot, so I will buy the UAAP app and try it out.Meizu HiFi and Meizu HiFi Pro got discontinued and replaced by the mblu HiFi and lifeme HiFi Pro, which use the CX31993 in favor of the CS43131. They measure about as well as the Apple dongles. Not as well as the Meizus.
Here's the power consumption for a bunch of dongles.
View attachment 280699
On Android, you can remove that limit like so.