The Link will help with introducing information, that will supply a broader knowledge of D’fied Woods and show that densifying wood has been an evolving practice for nearly 100 years.
Page 37, shows the Brands that are produced across the Glode, in my humble view, it is these Types of production, when produced to this standard and using the Adhesive Selected, that are the most beneficial to be used for a HiFi Set Up.
Kaiser Speakers use P’holz for their Cabinets and refer to it as Tank Wood, there is a Article on this Company, that has a very good description of the valued properties available from P'holz.
Other Speaker Brands and Kits are also utilising P'holz and Permali as well.
https://www.diva-portal.org/smash/get/diva2:1347640/FULLTEXT01.pdf