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Sennheiser HD 650 Comparison |
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 • Very similar in terms of overall scores.
• DT 770s have a slightly more uneven frequency response.
• Both headphones had near-perfect distortion results.
• The HD 650s had very even tracking.
• DT 770s more comfortable for short-term use, HD 650s more comfortable over a few hours.
• HD 650s are more expensive. |
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Beyerdynamic DT 990 Comparison |
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Audio-Technica ATH-ESW9 Comparison |
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Design
The DT 770s have closed backs while the HD 650s are open. This is the main difference between the two. Otherwise, both are pretty plain looking and are put together well. Because of the grating on the back of the HD 650s, they end up with a more unique look than the DT 770s, which may or may not be a good thing.
Sound Quality
The DT 770s' dip at the 4kHz mark is a slightly more noticeable foible, compared to the HD 650s gradual descent.
Neither set of headphones had a significant level of distortion.
The HD 650s had stellar tracking, while the DT 770s were far more erratic.
Isolation
The HD 650s, with their open-back design, were poor isolators. The DT 770s did a much better job.
Comfort
Although the HD 650s' padding wasn't as soft as the DT 770s', they also didn't get as uncomfortable over time. For short wear sessions, the DT 770s are the better bet, while the HD 650s are much more comfortable after a few hours.
| Wear |
DT 770 |
Sennheiser HD 650 |
Verdict
The DT 770s actually performed better on our tests than the HD 650s. They were also less expensive. The HD 650s had some subjective qualities than the DT 770s didn't, however, such as slightly better articulation and a larger soundstage. For the majority of buyers, the DT 770s will be the better choice. For higher-end users, we'd recommend giving them a test run before you make your final decision.
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