@speceroo You put the Crown at the right usage / place! The Mivera Purepower seems to use Audio Bricks (B&O before) ICEPower modules. Sure it'll sound better than the Pro Crown, it targets HiFi home systems.
https://img.canuckaudiomart.com/uploads/large/2057154-mivera-audio-purepower-amp-takachi-case.jpg
See inside, the ICEPower module, Mivera is just a packager.
https://img.canuckaudiomart.com/uploads/large/2057154-mivera-audio-purepower-amp-takachi-case.jpg
See inside, the ICEPower module, Mivera is just a packager.