beyerdynamic DT 990 PRO X Open-Back Studio Headphones – 48 Ohm
beyerdynamic DT 990 PRO X – 48 Ohm
- Open-back dynamic studio headphones with STELLAR.45 drivers
- 48-ohm nominal impedance
- 5Hz–40kHz manufacturer frequency range
- Detachable 3m cable with locking mini-XLR connection
- 3.5mm stereo plug and 6.35mm adapter
- Velour earpads and padded headband with pressure-relief recess
- 292g without cable; made in Germany
- No built-in microphone or active noise cancellation
Out of stock
OPEN-BACK STUDIO HEADPHONES / STELLAR.45
DT 990 PRO X: Open-Back Monitoring with a Detachable Cable
The beyerdynamic DT 990 PRO X combines an open-back over-ear design with the 48-ohm STELLAR.45 driver and a detachable mini-XLR cable. It is a studio listening option for buyers who want the DT 990 family with a different driver, cable system and fit from the classic PRO.
Open-back construction is a deliberate room choice. These headphones allow sound to escape and do not isolate you from a busy environment, making the listening space as important as the connected audio device.
Explore the Features

FEATURE 01
A Different DT 990
PRO X is not a suffix for the 250-ohm model. Its 48-ohm STELLAR.45 driver and detachable cable are meaningful differences when comparing systems and long-term use.

FEATURE 02
Replaceable Connection
The supplied cable locks at the headphone through mini-XLR. This makes the cable separately removable, unlike the fixed coiled lead of the classic DT 990 PRO.

FEATURE 03
Open Room Interaction
The design is suited to listening where leakage is acceptable. It will not solve a noisy-room problem, and playback can reach nearby microphones.
Compare the Complete Models
The DT 990 PRO 250 Ohm remains a distinct alternative with its fixed coiled cable. Decide whether the PRO X driver, removable lead and fit suit your workflow; impedance figures alone do not rank sound quality.
Connect to a Suitable Headphone Output
Use its stereo 3.5mm connection or the supplied 6.35mm adapter with a matching output. The FiiO K11 R2R offers a desktop listening path, while the Sound BlasterX G6 adds gaming-oriented processing options.
Start at a low volume. The 48-ohm rating is only part of the load presented to the source, so assess actual listening level and noise with your own device rather than assuming every output behaves identically.
A Listening Headphone, with Voice Added Separately
For streaming or voice chat, pair it with a separate microphone such as the RØDE PodMic USB. If you record near a sensitive microphone, consider how much headphone playback can leak into the recording.
For detailed listening, keep familiar reference material at a consistent level. Compare comfort and tonal balance over normal sessions rather than judging a headphone only from an extreme frequency-range number.
Frequently Asked Questions
How does DT 990 PRO X differ from DT 990 PRO?
The PRO X uses 48-ohm STELLAR.45 drivers and a detachable mini-XLR cable. The classic 250-ohm PRO has a different driver configuration and fixed coiled cable.
Is this a closed-back headphone?
No. It is open-back and allows sound to pass into and out of the earcups.
Is the cable detachable?
Yes. The supplied 3m cable connects through mini-XLR at the headphone.
Does it have a gaming microphone?
No. Add a separate microphone for calls, chat or recording.
Do I always need a separate amplifier?
Not necessarily. Use a source with a suitable headphone output and enough level for your needs; the 48-ohm figure alone does not guarantee performance with every device.
Which plugs are provided?
The supplied cable uses a 3.5mm stereo plug with a 6.35mm adapter for a matching headphone socket.
Why Buy from AX Store Kuwait?
Compare DT 990 PRO X against the classic PRO and choose a suitable audio source at AX Store Kuwait. The model-specific specifications make the driver and cable differences clear before ordering.
Technical Specifications
| General | |
|---|---|
| Brand | beyerdynamic |
| Model | DT 990 PRO X |
| Manufacturer Code | 1001629 |
| Construction | Open-back, over-ear |
| Driver | Dynamic STELLAR.45 |
| Country of Manufacture | Germany |
| Audio | |
| Nominal Impedance | 48Ω |
| Frequency Range | 5Hz–40kHz |
| Connection and Fit | |
| Cable | Detachable 3m cable |
| Headphone-Side Connector | Mini-XLR |
| Source Connector | 3.5mm stereo with 6.35mm adapter |
| Earpads | Velour |
| Headband | Padded with pressure-relief recess |
| Weight | 292g without cable |
| Built-in Microphone | No |
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