Denon AH-MM400 (2016) vs Bang & Olufsen Beoplay H9i (2018)

Macworld, a review site with a history of doing objective hands-on testing, has great things to say about the Denon AH-MM400 (2016). In fact, it's "Ranked 2 out of 8" in its "Best iPhone headphones 2019" roundup, which points toward it being a good Wireless Headphone.

As for the Bang & Olufsen Beoplay H9i (2018), it wasn't able to earn a top spot in any roundups from trusted sources that conduct their own hands-on testing. Nevertheless, it managed to impress reviewers at TrustedReviews, Rtings, PCmag, and Gear Patrol enough to make it onto their respective shortlists.

Sources that tested and scored both products, like TrustedReviews, haven't shown a preference for either in their reviews.

We also examined the available data to learn which sources liked these two Wireless Headphones best and found that the Denon AH-MM400 (2016) managed to get its highest, 9.3, review score from Head-fi, whereas the Bang & Olufsen Beoplay H9i (2018) got its best rating from TrustedReviews - 9.

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 Bang & Olufsen Beoplay H9i (2018) received an average of 7.7, compared to the 7.3 average of Wireless Headphones in general.