beyerdynamic lists the DT 770 Pro as closed-back, where isolation keeps the click and mix out of your mic while you record. It lists the DT 990 Pro as open-back, with a wide, natural stereo image for mixing and mastering, and warns that sound is audible to others. Closed-back suits recording and noisy rooms; open-back suits quiet-room listening and mixing, according to the maker.
Beyerdynamic DT 770 vs DT 990: Closed or Open? (2026)
The beyerdynamic DT 770 Pro vs DT 990 Pro: both are $199.99 and rated 4.6. The DT 770 is closed-back at 80 ohm; the DT 990 is open-back at 250 ohm.
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beyerdynamic DT 770 Pro (80 ohm)
$199.99
VS
beyerdynamic DT 990 Pro (250 ohm)
$199.99
Quick Answer
beyerdynamic DT 770 Pro (80 ohm) wins overall
Both are $199.99 and rated 4.6 stars on Amazon.com on 5 October 2026. The difference is the design: the DT 770 Pro is closed-back (80 ohm) and beyerdynamic calls it the tracking standard, while the DT 990 Pro is open-back (250 ohm) and needs an interface or amp for full volume, per its listing. Which to buy depends on what you do with them. I have not tested either.
Specifications
| Feature | beyerdynamic DT 770 Pro (80 ohm) | beyerdynamic DT 990 Pro (250 ohm) |
|---|---|---|
| Price | $199.99 | $199.99 |
| Design | Closed-back | Open-back |
| Impedance | 80 ohm (sounds best from an interface or amp) | 250 ohm (needs an interface or amp) |
| Owner Ratings | 17,547 ratings at 4.6 | 20,210 ratings at 4.6 |
| Price | $199.99 | $199.99 |
Closed or Open
Winner: Closed or Open
Tie
DT 770 for recording and loud rooms. DT 990 for quiet-room listening.
Driving Them
The DT 770 Pro at 80 ohm is listed as sounding best from an interface or amp and loud enough from most laptops. The DT 990 Pro at 250 ohm is listed as needing an interface or amp for full volume and not ideal straight from a phone.
Winner: Driving Them
beyerdynamic DT 770 Pro (80 ohm)
DT 770 is the easier one to drive, per the listings.
Price and Ratings
Both are $199.99. The DT 990 Pro has 20,210 ratings at 4.6 stars; the DT 770 Pro has 17,547 at 4.6. There is nothing to separate them on price or rating.
Winner: Price and Ratings
Tie
A tie.
Final Verdict
beyerdynamic DT 770 Pro (80 ohm) takes it
Buy the DT 770 Pro if you record or work in a room where sound leaking out matters. Buy the DT 990 Pro if you listen in a quiet room and have an interface or amp. Same price, same rating. I have not tested either, so this is the makers' positioning and the listings, not a sound review.
Frequently Asked Questions
The 250-ohm listing says it needs an interface or amp for full volume and is not ideal straight from a phone.
beyerdynamic positions the open-back DT 990 for mixing and mastering and the closed-back DT 770 for tracking. I have not mixed on either.