Bang & Olufsen Beoplay H9i (2018) vs Sennheiser HD558

The Bang & Olufsen Beoplay H9i (2018) and the Sennheiser HD558 are merely passable for their respective price points and don't stand out from their competition in any meaningful way. We recommend that you take a look at some other Over-Ear Headphones that cost around $290.

However, if you're still interested in learning more about these two options, we wrote a short summary of what we know about them:

Android Central, a review site with a history of doing objective hands-on testing, has great things to say about the Bang & Olufsen Beoplay H9i (2018). In fact, it's "Ranked 2 out of 6" in its "Best Sony WH1000XM3 Alternatives in 2021" roundup, which points toward it being a good Over-Ear Headphone.

As for the Sennheiser HD558, 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 Expert Reviews, Head-fi, and What Hi-Fi? enough to make it onto their respective shortlists.

We tried doing a direct Bang & Olufsen Beoplay H9i (2018) vs. Sennheiser HD558 review score comparison but couldn't find any sources that tested both.

Next, we took a look at which sources liked them best and found that the Bang & Olufsen Beoplay H9i (2018) most impressed the reviewers at Pocket-lint, who gave it a score of 9, whereas the Sennheiser HD558 did best in its Expert Reviews review - it scored 10 points.

Finally, we also compared their review scores to the rest of their competition - the Bang & Olufsen Beoplay H9i (2018) earned an average review score of 7.8 out of 10 points and the Sennheiser HD558 received an average of 8.9, compared to the 7.5 average of Over-Ear Headphones in general.