Amp upgrade / Did Classe go out of business

As someone who owns equipment from a defunct manufacturer, you should think long and hard about Classe.  Whether you own it short or long term you're incurring considerable risk, so unless there are no close alternatives I'd advise you to pass on Classe.  I can tell you it's an uncomfortable way to live -- always fearing something going wrong.  And this is obviously not a cheap purchase.  Anyway, hope this helps and best of luck.