Beyerdynamic DT 990 PRO 250 Ohm Open-Back Over-Ear Studio Headphones (Open Sealed)

Description

The Beyerdynamic DT 990 PRO 250 Ohm is a professional open-back studio headphone designed for critical listening, audio editing, mixing, mastering, and detailed home listening. Its open acoustic construction provides a spacious presentation and precise stereo imaging, making subtle recording noise, clipping, effects, and positioning easier to identify.

The headphones use dynamic drivers with a wide 5Hz–35,000Hz frequency response. Their sound is characterized by detailed, prominent high frequencies, clear spatial separation, and controlled low-frequency reproduction. Soft replaceable velour ear pads, an adjustable padded headband, and an approximately 250g cable-free weight provide comfort during extended studio sessions.

This 250-ohm version is intended primarily for professional audio interfaces, mixing consoles, stereo equipment, and dedicated headphone amplifiers. Phones, basic laptop outputs, and some game controllers may not provide enough power to achieve suitable volume and dynamic performance.

The unit is sold in Open Sealed condition. The packaging has been opened, so the headphones, drivers, cable, ear pads, connectors, adapter, and included accessories should be inspected before delivery.

Key Features

• Professional studio-monitoring headphones
• Open-back acoustic design
• Over-ear circumaural fit
• Dynamic transducers
• 250-ohm nominal impedance
• 5Hz–35,000Hz frequency response
• 96dB nominal sound-pressure level
• Wide and spacious stereo presentation
• Detailed high-frequency reproduction
• Accurate positional imaging
• Suitable for critical listening and editing
• Soft replaceable velour ear pads
• Adjustable padded headband
• Durable spring-steel headband construction
• Firm professional fit
• Single-sided cable entry
• 3-meter coiled cable
• Gold-plated 3.5mm stereo plug
• Screw-on 6.35mm adapter
• Serviceable and replaceable components
• Made in Germany
• Article number: 459038
• EAN: 4010118459030
• Condition: Open Sealed

The impedance, frequency response, connectors, weight, article number, EAN and studio-oriented design are confirmed by the official Beyerdynamic DT 990 PRO 250 Ohm product page.

Open-Back Acoustic Design

The DT 990 PRO uses an open-back ear-cup design that allows air and sound to pass through the rear of each ear cup.

This provides:

• Wide stereo imaging
• Spacious sound presentation
• More natural sense of distance
• Accurate instrument separation
• Improved positional awareness
• Less enclosed pressure around the ears

Open-back headphones intentionally leak sound and provide very little isolation from surrounding noise. People nearby may hear the audio, and the listener will continue to hear sounds in the room.

They are best used in quiet private environments rather than offices, transportation, libraries, or shared rooms.

Critical Listening and Audio Editing

The DT 990 PRO is designed to reveal small details and imperfections that may be less noticeable through consumer-oriented headphones.

It can help identify:

• Background noise
• Clipping and distortion
• Digital artifacts
• Harsh high frequencies
• Reverb tails
• Stereo-positioning problems
• Editing transitions
• Timing inconsistencies
• Unwanted clicks and pops

The detailed, bright presentation is valuable for editing and checking a mix. As with any headphone, final mixing or mastering decisions should ideally be checked on additional speakers or reference headphones.

250-Ohm Professional Version

The 250-ohm impedance is optimized for equipment with a capable headphone output.

Recommended sources include:

• Dedicated headphone amplifiers
• Professional audio interfaces
• Studio mixing consoles
• Hi-Fi stereo amplifiers
• Monitor controllers
• Professional recording equipment
• DAC/headphone-amplifier combinations

The headphones may produce sound from a phone, laptop, handheld console, or controller, but volume and dynamic range can be limited.

Beyerdynamic specifically categorizes its 250-ohm headphones for headphone amplifiers, stereo systems, audio interfaces, and studio equipment. Beyerdynamic impedance guide

Detailed Studio Sound

The DT 990 PRO provides an energetic, revealing sound rather than a soft or heavily relaxed presentation.

Its sound characteristics include:

• Extended high-frequency detail
• Spacious stereo image
• Clear instrument separation
• Defined bass response
• Accurate positional cues
• Revealing presentation for critical work

Listeners sensitive to strong treble may find the upper frequencies prominent, especially at high volume or with bright recordings. Equalization can be used when a smoother personal-listening profile is preferred.

Over-Ear Velour Comfort

The circumaural ear cups surround the ears rather than resting directly on them. Soft velour ear pads help provide airflow and comfort during extended listening sessions.

Comfort features include:

• Breathable velour pads
• Around-ear fit
• Padded headband
• Adjustable headband size
• Balanced approximately 250g cable-free weight
• Secure professional clamping pressure

Fit and comfort depend on head size, glasses, ear shape, and the condition of the pads.

Durable Professional Construction

The headphones use a robust spring-steel headband designed for regular studio use. Beyerdynamic manufactures the DT 990 PRO in Germany and designs its major wear components to be replaceable.

Replaceable or serviceable parts include:

• Velour ear pads
• Headband padding
• Ear-cup components
• Driver components through qualified service
• Cable through qualified repair

The attached cable is serviceable but is not user-detachable during normal use.

3-Meter Coiled Cable

The 250-ohm DT 990 PRO includes a long coiled cable connected to the left ear cup.

The coiled design is useful in studios because it:

• Provides extended reach when required
• Retracts when the full length is unnecessary
• Reduces loose cable across a workstation
• Supports movement between nearby studio equipment

The cable is approximately three meters when fully extended. It is permanently attached and cannot be replaced by simply unplugging it from the headphones.

3.5mm and 6.35mm Connections

The cable terminates in a gold-plated 3.5mm stereo plug and includes a screw-on 6.35mm adapter.

This supports connection to:

• Audio interfaces
• Mixing consoles
• Headphone amplifiers
• Stereo amplifiers
• DAC/amp units
• Desktop computers
• Laptops with compatible headphone outputs
• Professional audio equipment

USB-C-only devices require a suitable audio adapter or DAC. The adapter must provide enough output power for 250-ohm headphones.

Specifications

250 Ohm vs. Other DT 990 Versions

Beyerdynamic states that the DT 990 PRO 250 Ohm and DT 990 Edition 250 Ohm use identical transducers and sound essentially the same. The PRO version has a firmer professional fit and coiled cable, while the Edition has softer pressure and a straight cable. Beyerdynamic PRO and Edition comparison

Gaming Performance

Although primarily designed for professional audio, the spacious open-back presentation and accurate positional imaging can work well for gaming.

Suitable for:

• Competitive FPS games
• Open-world games
• Simulation games
• Single-player games
• Positional audio
• Music-focused games

A separate microphone is required for voice chat because the DT 990 PRO does not include a built-in microphone.

The 250-ohm version may require a headphone amplifier or capable DAC/amp when used with a gaming PC or console. Game controllers may not provide sufficient output power.

Package Contents

The standard package includes:

• Beyerdynamic DT 990 PRO 250 Ohm Headphones ×1
• Screw-On 6.35mm Jack Adapter ×1
• Drawstring Storage Bag ×1
• Product Documentation

Package contents should be physically confirmed because this unit is Open Sealed.

Open Sealed Inspection Checklist

Before delivery, confirm:

• Product is the DT 990 PRO 250 Ohm version
• The label does not identify the 80-ohm version
• Left and right drivers produce sound
• Channel balance is correct
• No buzzing, crackling, rattling, or distortion is present
• Coiled cable is undamaged
• Cable connection at the left ear cup is secure
• 3.5mm plug is straight and undamaged
• Screw-on 6.35mm adapter is included
• Adapter threads operate correctly
• Velour ear pads are clean and evenly shaped
• Ear pads have no stains, excessive compression, or odors
• Headband padding is clean
• Spring-steel headband is correctly aligned
• Both ear cups adjust smoothly
• Ear-cup forks are undamaged
• Drawstring storage bag is included
• Serial and product labels are present
• Article number corresponds to the 250-ohm version
• Headphones are hygienically cleaned before sale

Important Notes

• These are open-back headphones and do not block surrounding noise.
• Sound will leak outward and may be heard by nearby people.
• They are unsuitable for vocal recording near an active microphone because playback can leak into the recording.
• The 250-ohm version performs best with a capable audio interface or headphone amplifier.
• A standard phone or basic laptop output may provide insufficient volume.
• The cable is permanently attached and is not normally detachable.
• There is no microphone, Bluetooth, battery, ANC, or inline remote.
• A separate microphone is required for calls and gaming chat.
• The prominent treble may not suit listeners who prefer a warm or relaxed sound.
• USB-C devices require a compatible DAC or audio adapter.
• The headphones are intended for dry indoor use and have no water-resistance rating.
• Warranty coverage depends on the seller and Open Sealed condition.

Best For

• Music production
• Critical listening
• Audio editing
• Mixing and mastering
• Home studios
• Professional studios
• Sound design
• Video editing
• Podcast editing
• Detailed music listening
• Competitive gaming
• Users with a dedicated headphone amplifier
• Users who prefer a wide open-back soundstage

Why Choose the Beyerdynamic DT 990 PRO 250 Ohm?

• Professional studio-focused design
• Wide and spacious open-back sound
• Detailed reproduction for critical editing
• Precise stereo imaging
• Wide 5Hz–35,000Hz frequency response
• Durable spring-steel headband
• Soft replaceable velour ear pads
• Comfortable around-ear fit
• Long 3-meter coiled studio cable
• Compatible with 3.5mm and 6.35mm equipment
• Serviceable and replaceable components
• Made in Germany
• Suitable for mixing, editing, music and gaming
• Proven studio design
• Open Sealed condition can provide strong value when completely inspected and tested