Denon AH-MM400 (2016) vs Bluedio T4 (2017)

The Denon AH-MM400 (2016) was loved by reviewers at Macworld, a trustworthy source that performs objective hands-on testing. It did great in their "Best iPhone headphones 2019" roundup - in fact, they named it their "Ranked 2 out of 8". That, by itself, points toward it being a noteworthy Over-Ear Headphone.

Taking a look at the Bluedio T4 (2017), it got featured in roundups from two reliable sources that conduct their own testing - Head-fi and Rtings - but it fell short of earning a top spot in either.

We also performed a thorough Denon AH-MM400 (2016) vs. Bluedio T4 (2017) review score analysis - it turns out that all of the sources that have tested both Over-Ear Headphones, including Head-fi, preferred the Denon AH-MM400 (2016) over the Bluedio T4 (2017).

Out of all the sources that reviewed them, the Denon AH-MM400 (2016) turned out to be most loved by Head-fi, which gave it a score of 9.3, whereas the Bluedio T4 (2017) got its highest, 9, rating from reviewers at Head-fi.

Finally, we also compared their review scores to the rest of their competition - the Denon AH-MM400 (2016) earned an average review score of 8.9 out of 10 points and the Bluedio T4 (2017) received an average of 7.8, compared to the 7.5 average of Over-Ear Headphones in general.