Beyerdynamic DT 990 Pro – Open-back studio reference

The DT 990 Pro is Beyerdynamic's open-back studio classic, handmade in Germany for mixing, mastering, and critical listening. The open design gives you a wide, natural soundstage with the bright, detailed treble the DT 990 is known for, so fine detail is easy to hear. It leaks sound both ways, so it lives on the desk rather than the commute.

Choosing Your Impedance: 80 or 250 Ω

Both versions share the same drivers and tuning. The only real difference is how much power they need to reach full volume, so choose by the source you plug into.

• 80 Ω – The easier-to-drive option: Lower impedance that runs comfortably from audio interfaces, mixers, and stronger laptop or phone outputs. Choose this if you do not have a dedicated headphone amp and want a clean level from everyday gear.
• 250 Ω – The studio reference: The classic high-impedance version, made for a dedicated headphone amp or a pro interface with real output headroom. Do not expect full volume or control from a phone; give it proper power and it rewards you with the tightest dynamics for critical work.

Key Features

• Open-back design: Wide, airy soundstage that lets the mix breathe for natural, spacious listening.
• Made in Germany: Spring-steel headband and fully replaceable pads, cushions, and parts for years of service.
• Soft velour ear pads: Breathable circumaural cushions stay comfortable through long sessions.
• Diffuse-field tuning: The bright, detailed Beyerdynamic signature that makes it easy to spot detail while mixing.
• Two impedance versions: Match the headphone to your source, from an interface to a dedicated amp.

Why It Works

When you mix or master, the open back gives you a room-like stage that closed headphones cannot match, so panning, reverb, and depth are easier to judge. The detailed treble surfaces problems early, and the even tuning lets you make decisions with confidence. Pick the impedance that fits your setup and it performs from day one, with pads and parts you can replace instead of retiring the headphones.

Quick Specs

• Design: Open-back, over-ear (circumaural)
• Impedance: 80 or 250 Ω (select above)
• Frequency response: 5 Hz – 35,000 Hz
• Sensitivity: Approximately 96 dB SPL
• Weight: Approximately 250 g (without cable)
• Cable: 3 m coiled, single-sided (fixed)
• Connectors: 3.5 mm jack with 6.35 mm screw-on adapter

In the Box

• DT 990 Pro headphones with attached cable
• 6.35 mm (1/4 inch) screw-on jack adapter
• Soft carrying pouch

Ideal For

Mixing and mastering, critical listening, and long editing sessions in a quiet room.

Pros & Cons

✅ Pros:

• Wide, natural open-back soundstage
• Detailed treble that reveals fine detail
• Comfortable velour pads over multi-hour sessions
• Replaceable parts and rugged German build

⚠️ Cons:

• Open-back leaks sound both ways — not for tracking or noisy spaces
• 250 Ω needs a dedicated headphone amp or strong interface
• Fixed cable is not detachable

An open-back that earns its place on the desk of anyone who mixes, masters, or listens critically.