These are to be driven by a hybrid integrated amplifier which outputs the firstt 20W in Class A and up to 140W in Class A/B.
If the numbers are conservative (the amp tested to deliver 140W if not more in real world), the amp would do fine driving all your speaker options. Not all amps are the same as the power supply will also matter.
Personally I would be more inclined to go with either Dali or Dynaudio if an audition is not possible.