There is that esoteric hard to find 12 volt car amp that uses them.....I am trying to get info on it....seems like it sells for around $1200 but info is scarce
Also incorrect, it’s $750 and here’s some info,
https://somautomotivobrasil.com.br/wp-content/uploads/2015/12/Manual_Sd300-2-GaN.pdf
https://www.diymobileaudio.com/forum/car-audio-classifieds/344218-fs-soundigital-gan-300-2d-amplifie...
https://somautomotivobrasil.com.br/noticia/soundigital-sd300-2d-gan-o-1o-com-tecnologia-gan/
Looks like they were in Wallmart, but sold out.
https://www.walmart.com.br/modulo-soundigital-gan-power-sd300-2d-premium-2x150w-rms-4-ohms/4462483/p...