
January 2016
I’ve been noticing that the proliferation online of information about headphones has inspired some enthusiasts to judge headphones by their frequency-response measurements alone. One anonymous commenter went so far as to proclaim that the HiFiMan HE400S headphones -- a model praised by many reviewers as the best you can buy for $300 -- are “terrible.” His or her evidence? That someone on an enthusiast forum had measured the HE400S and the measurements didn’t look good, even though the highly experienced headphone expert Tyll Hertsens had published measurements on the website Inner|Fidelity that conflicted with the ones from the forum.