This quote "Futuresource believes that the market for luxury audio has a promising outlook with annual growth in value terms of at least 3 percent annually in the foreseeable future.". trouble is we do not know how many dollars a audiophile brand sells as they don't release that information, I know I can't find it by brand name. . I say provide the sells data by speaker/amp/TT type by year or by qtr then we have something to reference to if the market is indeed moving towards a 3% annually projection. .
For instance Porsche provides that information ,just one example
The auto industry is very transparent. The audio industry not so much. I think you’d be surprised at how small even the big companies are. This is truly a boutique business.