In issue 1/07 of German magazine „Akustik Gitarre“ you will find a review of an acoustic J16X D'Angelo. You can order this issue here.
Wolfgang Niemann conludes
»High Score! Harmonious Design, best tone woods and an implementation that is perfect in every detail add to a very interesting acoustic archtop guitar that fulfills even the highest demands. And if there should arise a need to amplify the instrument, you should invest in a good microphone. This guitar just sounds too good!.«