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Aukey T21
Etymotic ER4XR
See Top Ranked Earphones

Aukey T21 vs Etymotic ER4 (2016)

Analysis:

The Aukey T21 and Etymotic ER4XR make for good, if unremarkable, Earphones at their respective budgets.

With that said, while they both should serve reasonably well, you might want to look into other options at the $45 and $250 price points - it's likely that there are some better alternatives available.

If you want to learn more about the Aukey T21 and the Etymotic ER4XR, however, we prepared a summary of the information that we have:

The Aukey T21 was loved by reviewers at Tom's Guide, a highly trusted source that performs reliable in-depth testing. It did great in its "Best fake AirPods of 2021" roundup where it was named its "Surprisingly great performance for $30", which, in itself, makes it a product worth considering.

As for the Etymotic ER4XR - it was really well-received by reviewers at PCmag, a great source that's known for conducting high-quality in-depth testing. It performed great in its "The Best Studio Headphones for 2021" roundup and was named its "Best for Budget-Minded Sound Engineers", which, on its own, makes it a product that warrants a closer look.

We couldn't find any sources that tested both of these Earphones, so we only analyzed how they performed in reviews from different sites.

We first examined which sources rated each of these best and found that the Aukey T21 got its highest, 8, rating from Android Central, while the Etymotic ER4XR earned its best, 10, score from PCmag.

Lastly, we averaged out all of the reviews scores that we could find on these two products and compared them to other Earphones on the market. We learned that both of them performed far better than most of their competitors - the overall review average earned by Earphones being 7.3 out of 10, whereas the Aukey T21 and Etymotic ER4XR managed averages of 8.0 and 8.5 points, respectively.

Due to the difference in their prices, however, it's important to keep in mind that a direct Aukey T21 vs. Etymotic ER4XR comparison might not be entirely fair - some sources don't take value for money into account when assigning their scores and therefore have a tendency to rate more premium products better.

Comparison of expert ratings
Highly Recommended
Recommended
Mentioned
Not Mentioned
Tom's Guide
Wirecutter (NYTimes)
Rtings
PCmag
HomeTheaterReview.com
Android Central
Head-fi
What Hi-Fi?
Digitaltrends
TechHive
Tech. Specs Comparison
Aukey T21
$29
Etymotic ER4XR
$191
Canal Earphone
Yes
Yes
Earbud
No
No
In-Ear Monitor
No
No
Noise-cancelling
No
No
True Wireless
Yes
No
Wireless
Yes
No
Higher than average expert review score
7.4
Overall Avg. for Earphones
8.0
Avg. Review Score
Score
Higher than average expert review score
Recommended by trusted experts
Tom's Guide
Highly Trusted Source
Depth of
analysis
Yes
In-house
Testing
Runner Up
in “Best fake AirPods of 2021” 
Last updated: 19 days ago
Android Central
Trusted Source
Depth of
analysis
Yes
In-house
Testing
Insane value
in “Best Headphones For People With Small Ears 2021” 
Last updated: 5 Dec 2020
Tom's Guide
Highly Trusted Source
Depth of
analysis
Yes
In-house
Testing
Surprisingly great performance for $30
in “The best cheap wireless earbuds in 2021” 
Last updated: 20 days ago
Android Central
Trusted Source
Depth of
analysis
Yes
In-house
Testing
Best for Tight Budgets
in “Best Cheap Wireless Earbuds 2021” 
Last updated: 4 Dec 2020
Wirecutter (NYTimes)
Highly Trusted Source
Depth of
analysis
Yes
In-house
Testing
Mentioned
in “The Best Earbuds Under $50” 
Last updated: 13 days ago
Android Central
Trusted Source
Depth of
analysis
Yes
In-house
Testing
Mentioned
in “Best Wireless Headphones for the Google Pixel 2” 
Last updated: 30 Jun 2020
Recommended by trusted experts
PCmag
Highly Trusted Source
Depth of
analysis
Yes
In-house
Testing
Best Overall
in “The Best Wired Headphones for 2021” 
Last updated: 21 Dec 2020
PCmag
Highly Trusted Source
Depth of
analysis
Yes
In-house
Testing
Best Overall
in “The Best Audiophile Headphones for 2021” 
Last updated: 21 Dec 2020
PCmag
Highly Trusted Source
Depth of
analysis
Yes
In-house
Testing
Best Overall
in “The Best Studio Headphones for 2021” 
Last updated: 21 Dec 2020
Rtings
Highly Trusted Source
Depth of
analysis
Yes
In-house
Testing
Mentioned
in “The 7 Best Studio Headphones For Mixing And Recording - Winter 2021” 
Last updated: 20 days ago

Find the best product and price, effortlessly.

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