For 5.1 or 7.2 system at HTiB level, not demanding.
Would China made, unknown brand, speaker work reasonably well? Any one used them?
Denon reveiver has modern high tech dsp calibration and, in theory, will compensate, to an extend, for non ideal speakers.
Speaker is intetesting expensive. Old tech. Material cost is not much. Magnet, coil, box, etc. I may be wrong, but, not really prepare to spend too much on speaker. Yes, it is factual that top speaker same cost as car....