Looking at the scores, it looks like a winner
"Recapping the above, and assigning a 1 (worst) to 5 (best) score for these 4 headphones for bass, mids and treble. Note that these scores don't relate to strength per se, but to ideal strength and tonal quality:
Shure 1840: 3, 4, 5
Amperior: 4, 3, 4
ATH M50: 4, 3, 3
HP100: 5, 4, 4
"