Yes, I laugh about Weil's comments about NHTPro A4s. Search google,
there is no such thing. There are such things as the NHTPro M00, which
have 4" woofers. Dave should know which NHT Pro speakers I have.
Hint: they don't have mere 4" woofers. ;-)

Q: how much of a woofer is a 4 inch speaker? Didn't we call
them midranges a decade or two ago?