How good's your hearing

Okay so her hearing may be gone. But does she know how to listen?

Like I said she can pick a class-D a mile away.

My hearing is top!

worn earplugs at my profession for 18+ years. 
 Critical listening is pretty spot on.
i chose my speakers from sound quality. 
They are a VERY warm speaker (highs rolled off at 600)
  when it comes to speakers. I’m good!

Thanks for The levity 

I will probably get flamed, but I agree with you George.  I have stated many times of the 5 Class D amps I heard, none of them would make me want to buy them.  Course, I'm a Mac guy and like their house sound.  I still think they aren't ready for Prime time.  I think they are good in Subwoofers like in my T Refs, but still have a way to go for full range.  They still sound bright and thin to me.

I'm 73 years old and I'm sure I'm deficient. But let me pose a question for you experts out there. I just googled up the highest frequencies of both flute and violin and they are around 600hz--just north of that for violin at 659. This begs the question for music listeners. Why do we need speakers w/20,000 hz frequency response?