Beyerdynamic has a legendary reputation for professional headphones, and the DT 900 Pro X is their latest open-back model designed for mixing, mastering, and critical listening. Sharing the same STELLAR.45 drivers as the DT 700 Pro X, these headphones trade isolation for openness, giving you a wide, natural soundstage that’s perfect for detailed work. But are they the right choice for your setup? Let’s find out.
Open-back, over-ear studio headphones
STELLAR.45 dynamic drivers (48 Ω impedance)
Frequency response: 5 Hz – 40 kHz
Detachable mini-XLR cable system (two included: 3 m & 1.8 m)
Replaceable velour ear pads and padded headband
Designed for mixing, mastering, and critical listening
The DT 900 Pro X looks nearly identical to its closed-back sibling, the DT 700 Pro X, with a matte black finish and robust build. The big difference is the open-back ear cups, which give them their spacious sound. As expected from Beyerdynamic, they’re solidly built with replaceable components and a detachable cable system for professional longevity.
Comfort is a strong point here. The plush velour ear pads are soft, breathable, and perfect for long listening sessions. The clamping force is secure but not overbearing, and the open-back design keeps ears cooler during extended use. They’re among the most comfortable studio headphones in their price range.
This is where the DT 900 Pro X shines. The open-back design creates a wide, airy soundstage, ideal for mixing and mastering. The highs are crisp without being fatiguing, mids are clear and natural, and the bass is tight and accurate rather than boosted. If you want a true-to-source listening experience, these deliver in spades. However, if you’re after isolation or heavy low-end, look elsewhere.
As open-backs, the DT 900 Pro X provides virtually no isolation. Sound leaks out, and external noise leaks in, making them unsuitable for tracking, live recording, or use in noisy environments. They’re best kept for quiet studio spaces where accuracy and openness matter most.
Handmade in Germany, these headphones are built to last. The detachable cables and replaceable parts add to their lifespan. However, they don’t fold and lack a protective case, so they’re not designed for travel. These are very much “stay in the studio” headphones.
At around £200, the DT 900 Pro X is priced at the premium end of studio headphones. Considering the build, comfort, and sound accuracy, they offer excellent value for serious engineers and producers who need a trustworthy mixing tool.
Yes, though their open-back design means they’re best enjoyed in quiet environments. They’re more about accuracy than fun, bass-heavy sound.
The DT 700 Pro X is closed-back and isolates sound, while the DT 900 Pro X is open-back, offering a wider soundstage but no isolation.
No, with a 48 Ω impedance, they’re efficient enough to run from laptops, audio interfaces, and even some portable devices.
If you’re serious about mixing, mastering, or critical listening in a quiet space, the DT 900 Pro X is an excellent investment. They offer comfort, durability, and a spacious, natural sound that makes detailed work a pleasure. Not ideal for tracking or noisy environments, but for pure listening accuracy, they’re among the best in their class.
Ready to experience spacious, open-back sound for your studio work?
Buy on Amazon Affiliate link. We may earn a small commission at no extra cost to you.
