H2O Audio Sonar vs Etymotic ER3XR

The Etymotic ER3XR 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 Head-fi, PCmag, SoundGuys, and musicradar.com all gave it a spot on their list.

Returning to the H2O Audio Sonar, Tom's Guide, a source that's known for its high-quality in-depth testing, has great things to say about it. In fact, it was named its "Ranked 2 out of 5" in its "The best waterproof headphones for swimming" roundup, which is quite a feat.

Lastly, we tried to do a direct Etymotic ER3XR vs. H2O Audio Sonar comparison of review ratings between these two products, but couldn't find any review scores for the H2O Audio Sonar.

Compared to all other In-Ear Monitors on the market, however, the Etymotic ER3XR performed great. When averaged out, it earned a rating of 8.8 out of 10, which is much better than the 7.7 review average of In-Ear Monitors in general.