The catch
beyerdynamic DT 700 PRO X
Without its cable it weighs 350 g, more than many folding studio pairs.
Side by side
beyerdynamic DT 700 PRO X vs DT 900 PRO X Compared: DT 900 leaks sound, DT 700 suits shared rooms
Quick verdict
DT 700 PRO X is the one for recording with a live microphone or listening around other people. DT 900 PRO X is the one for a quiet private room where open-back leakage is acceptable. The cable kits and nominal impedance match, and their stated weights differ by only 5 g.
Before you buy
Why, and what it costs you
Weight differs by only 1.4%
Saving weight is no reason on its own to choose the open model. The requirement the room places on you is much larger than the 5 g gap.
Where this comes from
1.43% = (350 - 345) / 350 × 100.
The catch
beyerdynamic DT 900 PRO X
Your music will not stay private with open cups.
beyerdynamic DT 700 PRO X
- Why pick it
- You track next to a live microphone.
- Your room is shared with someone else.
- The catch
- Without its cable it weighs 350 g, more than many folding studio pairs.
beyerdynamic DT 900 PRO X
- Why pick it
- A quiet room is where you want an open-back headphone.
- Where you listen, leaking sound is not a problem.
- The catch
- Your music will not stay private with open cups.
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What this page compares
DT 700 PRO X and DT 900 PRO X compared on room noise, microphone spill, cable reach and weight. The deciding factor is whether the design is open or closed.
DT 700 PRO X is the one for recording with a live microphone or listening around other people. DT 900 PRO X is the one for a quiet private room where open-back leakage is acceptable. The cable kits and nominal impedance match, and their stated weights differ by only 5 g.
Which one fits
Pick the situations that sound like you
Vocal recording beside the mic
With open cups, headphone playback can leak back into the microphone.
- beyerdynamic DT 700 PRO X
- Better fit
- beyerdynamic DT 900 PRO X
- Caution
Nobody nearby in a quiet room
In that environment the DT 900 open design can be used as intended.
- beyerdynamic DT 700 PRO X
- Good
- beyerdynamic DT 900 PRO X
- Better fit
Shared home workspace
For controlling leakage, the closed cups of DT 700 are the more sensible starting point.
- beyerdynamic DT 700 PRO X
- Better fit
- beyerdynamic DT 900 PRO X
- Caution
The interface is farther than 1.8 m away
A second 3 m cable is included with both.
- beyerdynamic DT 700 PRO X
- Similar
- beyerdynamic DT 900 PRO X
- Similar
In practice
Differences you will notice
Weight differs by only 1.4%
Saving weight is no reason on its own to choose the open model. The requirement the room places on you is much larger than the 5 g gap.
How we worked this out
1.43% = (350 - 345) / 350 × 100.
On cable reach, it is an exact tie
The same 1.8 m and 3 m options come in each package.
How we worked this out
Two detachable straight cables at those lengths are stated in both manufacturer package lists.
A shared room rules out one option right away
DT 900 fails that requirement whatever its other specifications are, if open sound leakage is unacceptable.
How we worked this out
DT 900 has an open back and DT 700 has a closed back. The fit conclusion rests on construction and is not a measured leakage threshold.
Plug in your setup
Which headphones suit the way you listen?
Start with how you listen. Charging over USB is not the same as playing audio over USB, and some headphones need power even on a cable. These answers are placeholders until you apply your own.
beyerdynamic DT 700 PRO X
Fails these checksThis model cannot play over Bluetooth.
beyerdynamic DT 900 PRO X
Fails these checksThis model cannot play over Bluetooth.
Battery figures are maker claims for the stated mode. They do not reflect measured travel time. Volume, codec, calls and battery age all change runtime. Closed earcups can still leak some sound. Weight alone does not predict comfort. USB audio needs a compatible source and cable. This check does not judge sound quality, mic quality or amplifier power.
Option A
beyerdynamic, DT 700 PRO X
DT 700 PRO X
A closed studio pair that includes two locking mini-XLR cables, one shorter for the desk and one longer for the studio.
- Best for
- Closed-back recording where the cables can be swapped out
Facts we checked
- A closed-back enclosure houses the 48-ohm STELLAR.45 driver.
- Without the cable, the weight is 350 g.
- Included are detachable mini-XLR cables of 1.8 m and 3 m.
Option B
beyerdynamic, DT 900 PRO X
DT 900 PRO X
This open-back studio model comes with two detachable cable lengths. It belongs at a quiet mixing desk, away from any microphone that could pick up the playback.
- Best for
- A quiet studio desk, with long and short cables that can be swapped
Facts we checked
- The design is open-back and 48-ohm, per the manufacturer.
- Without a cable, it weighs 345 g.
- Locking mini-XLR cables of 1.8 m and 3 m come in the package.
Spec by spec
Where they really differ
| Spec | beyerdynamic DT 700 PRO X | beyerdynamic DT 900 PRO X | In practice |
|---|---|---|---|
| Ear-cup construction | Closed-back | Open-back | The model number counts for less than room noise and leakage. |
| Weight without cable | 350 g | 345 g | The published figures are just 5 g apart. |
| Nominal impedance | 48 ohms | 48 ohms | An upgrade tier is not created by the electrical rating. |
| Short supplied lead | 1.8 m | 1.8 m | A close interface suits both. |
| Long supplied lead | 3 m | 3 m | The same distant headphone output is covered by both. |
| Cable connector | Locking mini-XLR | Locking mini-XLR | A replaceable cable is on both. |
| ANC | No | No | Active noise cancellation is not what closed cups provide. |
Trade-offs
What each pick costs you
With beyerdynamic DT 700 PRO X
- There is no inward fold and no wireless mode.
With beyerdynamic DT 900 PRO X
- Do not expect a folding travel headphone.
Change of plan
When the answer changes
You track next to a live microphone.
Go with beyerdynamic DT 700 PRO X. Playback that leaks out of open cups can reach a live microphone. For tracking, the closed DT 700 is the more practical choice, although monitor volume and mic placement still need attention.
A quiet room is where you want an open-back headphone.
Go with beyerdynamic DT 900 PRO X. When background noise is low and nobody minds hearing your music, DT 900 makes sense. A different cable or amplifier will not make an open headphone private.
Decision guide
How to decide
For recording with a live microphone or listening near other people, go with DT 700 PRO X. For a quiet private room where open-back leakage is acceptable, go with DT 900 PRO X. Their cable kits and nominal impedance match, and the stated weights are only 5 g apart.
The answer shifts when you record
Playback that leaks out of open cups can reach a live microphone. For tracking, the closed DT 700 is the more practical choice, although monitor volume and mic placement still need attention.
Put the open model in a suitable room
When background noise is low and nobody minds hearing your music, DT 900 makes sense. A different cable or amplifier will not make an open headphone private.
Nothing else in the kit pushes you either way
Cable lengths and nominal impedance match on both. Settle the room question first, then try the clamp and cushions. A published weight difference of 5 g is not a strong reason to buy on its own.
What this page can’t tell you
- A closed build cannot guarantee that no sound bleeds into a microphone.
- The exact difference in noise isolation is not calculated.
By the numbers
What the data shows
What we found across the headphones we compare, plus the checked facts behind each finding.
How many fit
21 of the 60 models checked meet every need here: “I want music even with a dead battery”, “I connect to a headphone jack”, and “I do not want something else to charge”.
21 models fit, out of 60 checkedShow the facts and the math
How we countedThe count uses each product's current fit ratings for “I want music even with a dead battery”, “I connect to a headphone jack”, and “I do not want something else to charge”. A need with no documented match is not counted.
| Product | Needs it meets | Facts we checked | Sources |
|---|---|---|---|
| beyerdynamic DT 700 PRO X |
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| beyerdynamic DT 900 PRO X |
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Ready to buy
See today’s price and what owners say
Open either model on Amazon for the current price, customer reviews and delivery options.
beyerdynamic DT 700 PRO X
You track next to a live microphone.
See price & reviews on Amazonbeyerdynamic DT 900 PRO X
A quiet room is where you want an open-back headphone.
See price & reviews on AmazonEach link opens in a new tab.
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