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Denon AH-MM400 (2016) vs Koss Porta Pro (2013)
The Denon AH-MM400 (2016) is a relatively good On-Ear Headphone for people that are willing to spend around $360. The Koss Porta Pro KTC, by contrast, is quite unremarkable and doesn't stand out in any meaningful way from other products at this price point.
If you're still interested in learning more about the Denon AH-MM400 (2016) and Koss Porta Pro KTC, however, we wrote a summary of what we know about them:
The Denon AH-MM400 (2016) was loved by reviewers at Wirecutter (NYTimes), a highly trusted source that performs reliable in-depth testing. It did great in its "The Best Everyday Audiophile Headphones" roundup where it was named its "Top Pick", which, in itself, makes it a product worth considering.
Taking a look at the Koss Porta Pro KTC, it got featured in roundups from two reliable sources that conduct their own testing - CNET and Rtings - but it fell short of earning a top spot in either.
We couldn't find any sources that tested both of these On-Ear Headphones, 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 Denon AH-MM400 (2016) got its highest, 9.7, rating from Head-fi, while the Koss Porta Pro KTC earned its best, 8.4, score from CNET.
Lastly, we averaged out all of their review ratings and observed that the Denon AH-MM400 (2016), with its 8.7 average, performed considerably better than most On-Ear Headphones - the mean score for the product category being 7.4 out of 10 - while the Koss Porta Pro KTC managed an average of 7.1.
There's one caveat here - it might not be entirely justifiable to do a direct Denon AH-MM400 (2016) vs. Koss Porta Pro KTC review average comparison since they aren't priced the same and more expensive products tend to get higher review scores from some sources.