Sennheiser HD558 vs Monoprice Monolith M565

The Sennheiser HD558 hasn't managed to earn a top spot in any roundups from sources that conduct trustworthy hands-on testing. Nevertheless, reviewers from sites, such as Expert Reviews, TrustedReviews, Head-fi, and What Hi-Fi? all gave it a spot on their list.

As for the Monoprice Monolith M565 - SoundGuys, a source that conducts reliable hands-on testing, has featured it in its Monoprice Monolith M565 review roundup. However, it didn't make it to any of the top spots.

We tried doing a direct Sennheiser HD558 vs. Monoprice Monolith M565 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 Sennheiser HD558 most impressed the reviewers at Expert Reviews, who gave it a score of 10, whereas the Monoprice Monolith M565 did best in its SoundGuys review - it scored 8.9 points.

Finally, we also compared their review scores to the rest of their competition - the Sennheiser HD558 earned an average review score of 8.9 out of 10 points and the Monoprice Monolith M565 received an average of 8.9, compared to the 7.8 average of Open-Back Headphones in general.