Your statement is as one sided as it is inaccurate. How can you possibly say that speaker sensitivity and amplifier power have NOTHING at all to do with sound quality?
Shadorne
I've heard good quality, low sensitivity speakers, I've heard good quality, high sensitivity speakers. I've heard poor quality, low sensitivity speakers, I've heard poor quality, high sensitivity speakers. Same for amplifiers. In fact, if the first watt sounds of poor quality, who would want anymore?
From my 30 years in the hobby, I feel that sensitivity in a speaker and power in an amplifier are as important to quality sound as gas mileage and tank size are to a quality automobile. When car shopping, how many focus on gas mileage and gas tank size as being the key factor in the quality of the car? Sure, a big tank with good gas mileage will take you further, but does it really have anything to do with the quality of your vehicle or the enjoyment you gain from driving it?
That's my $0.02, as always YMMV.