We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-09-25 · 7 min read · Independent comparison
If you want an open-back reference headphone that throws a wide, natural stereo image and lets you swap pads to change the tuning, choose beyerdynamic DT 1990; if you need a closed-back design that isolates you from a noisy room and keeps your low end tight, choose Neumann NDH20. Those two design choices — open versus closed — decide almost everything else about how each one behaves in a mix session.
• DT 1990 biggest strength: Open-back 250-ohm Tesla drivers with a 5 Hz–40 kHz range, plus two sets of ear pads (analytical and well-balanced) so you can shift the tuning without buying anything else.
• DT 1990 biggest trade-off: Open-back means sound leaks both ways — it is not the headphone for tracking vocals next to a live mic or for a loud, untreated room.
• NDH20 biggest strength: Closed-back, circumaural isolation in a 245 g body, tuned for a balanced image and high resolution even in noisy spaces.
• NDH20 biggest trade-off: 150 ohms and a 5 Hz–30 kHz range with one fixed tuning — less flexibility, and it wants a decent headphone amp to sound its best.
• Pick the DT 1990 if you mix and master in a quiet room and want a wide, spatial reference with swappable voicing.
• Pick the NDH20 if your workspace is loud, you share a room, or you need isolation for monitoring and tracking.
The DT 1990 is built around an open-back design, and that is the whole point. With the grille open, air moves freely behind the 45 mm dynamic Tesla drivers, which is what produces the wide, dynamic stereo image beyerdynamic describes. In practice that means instruments sit in distinct places instead of collapsing into a flat wall — a real advantage when you are placing a snare or deciding how wide a reverb should sit.
The spec sheet backs up the reference claim: 250 ohms, a 5 Hz–40 kHz frequency range, 102 dB sensitivity, and a single-sided detachable cable with mini-XLR connectors. That last detail matters more than it sounds. A detachable cable is the part that usually fails first on a studio headphone, and here you can replace it instead of the whole pair. The same logic applies to the pads and headband, which are replaceable.
Who should buy it: someone mixing and mastering in a quiet, treated-ish room who wants a spatial, high-resolution reference and does not mind driving a 250-ohm load properly. Who should skip it: anyone tracking in the same room as a microphone, anyone mixing on a laptop in a noisy space, and anyone who wants zero fuss about amplification. The 3.5 mm jack and included cables make it flexible for gear, but the impedance still wants a real headphone output behind it.
Neumann NDH20: Who It's For
The NDH20 goes the other direction. It is a closed-back circumaural headphone, and Neumann's own framing is clear: excellent isolation combined with a carefully balanced sound image and high resolution, suited to monitoring and mixing even in loud and noisy environments. If you have ever tried to judge a bass line while a fan, a computer, or a roommate bleeds into your ears, you know exactly why that matters.
Physically it is the lighter of the two at 245 g, with circumaural memory foam ear pads that Neumann calls out for long-term comfort. The enclosure uses fabric, in a white aluminum and gray finish, with an angular earcup shape. It ships with straight and coiled cables and a 3.5 mm jack, so it plugs into the same interfaces and laptops as the beyerdynamic.
The numbers tell you who it is for. Impedance is 150 ohms, frequency range is 5 Hz–30 kHz, and the driver is a dynamic design. Neumann recommends a 150-ohm headphone amp, which is a useful, honest note — this is not a headphone that wants to be plugged straight into a phone dongle and judged. Feed it properly and the closed-back isolation lets you hear the low end without the room arguing with you. Passive noise cancellation comes from the sealed cups, not electronics, so there is nothing to charge or switch on besides the button control on the cable.
Who should buy it: producers and engineers working in shared, loud, or untreated rooms who need isolation and a balanced reference. Anyone tracking vocals or acoustic instruments who needs to avoid bleed. Who should skip it: someone who specifically wants the airy, wide-open spatial presentation of an open-back design, or who wants to change the tuning without buying a second headphone.
• Best for a quiet mixing room → beyerdynamic DT 1990. Open-back airflow gives the wider, more natural stereo image.
• Best for a loud or shared room → Neumann NDH20. Closed-back circumaural cups isolate you from the environment.
• Best for tracking without bleed → Neumann NDH20. Open-back sound leakage makes the DT 1990 a poor choice next to a live mic.
• Best for tuning flexibility → beyerdynamic DT 1990. Two sets of ear pads with different sound characteristics, plus two cable types and a hard case.
• Best for long sessions on weight → Neumann NDH20. 245 g with memory foam pads is the lighter, more cushioned setup on paper.
• Best for widest frequency extension → beyerdynamic DT 1990. 5 Hz–40 kHz versus the NDH20's 5 Hz–30 kHz.
• Easiest to drive → Neumann NDH20. 150 ohms is a friendlier load than 250 ohms, though Neumann still recommends a dedicated 150-ohm amp.
• Best for a detachable, repairable cable → beyerdynamic DT 1990. The mini-XLR connection lets you swap the cable instead of the headphone.
If I were buying one of these for mixing and had a reasonably quiet space, I would take the beyerdynamic DT 1990. In my opinion the open-back spatial image is the more useful reference for balancing a mix, and the pad swap plus detachable mini-XLR cable give it a flexibility the NDH20 cannot match. If your room is loud, you share it, or you track as well as mix, I would go the other way and take the Neumann NDH20 — the isolation is the feature you will feel every single session, and 150 ohms is easier to drive. Decide based on your room first, then your workflow. Check the current price on Amazon before you commit.
how to connect studio headphones
Both of these use a wired connection with a 3.5 mm jack. The DT 1990 has a single-sided detachable cable with mini-XLR connectors and ships with a 3 m straight cable plus a coiled one; the NDH20 ships with straight and coiled cables. Plug into your interface, monitor controller, or headphone amp — and for the DT 1990's 250 ohms, use a proper headphone output rather than a weak onboard jack.
how to test studio headphones
Start with what the design tells you. Open-back models like the DT 1990 leak sound both ways and give a wider image; closed-back models like the NDH20 isolate you. Play familiar material and check whether you can hear placement and low-end detail, and confirm the load matches your gear — 250 ohms for the DT 1990 and 150 ohms for the NDH20, with Neumann recommending a 150-ohm amp.
how to bluetooth studio headphones
Neither the DT 1990 nor the NDH20 has Bluetooth. Both are wired-only, with 3.5 mm jacks and detachable cables. For mixing reference work that is normally a feature, not a limitation — a wired connection avoids the compression and latency that wireless introduces. If you need wireless for casual listening, you would need a separate pair of Bluetooth headphones.
can you mix with just headphones
Yes, and both of these are designed for it. The DT 1990 is explicitly positioned for mixing and mastering as an open-back reference with a wide stereo image, while the NDH20 is aimed at monitoring and mixing even in loud environments. The practical caveat is room noise and isolation: open-back headphones let your environment in, so check your mix on speakers when you can.
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