Amplifier PCB Mount

Basic design to be able to mount PCB amplifiers which have no space for holes, corner, etc, such as this one:
https://www.audiophonics.fr/fr/modules-amplificateur/module-amplificateur-tpa3116d2-avec-controle-de-tonalite-2x25w-8-ohm-p-13958.html

I used this amplifier to power exciters mounted on my Pincab for SSF support