Beyerdynamic DT-770 Pro 250 Ohm

Beyerdynamic DT 770 PRO (250 Ω) – closed-back circumaural studio headphones; 5–35,000 Hz frequency response; 96 dB nominal SPL; <0.2% THD; ambient noise isolation ≈18 dBA; nominal headband pressure ≈3.5–5.5 N; 270 g weight (without cable); single-sided 3.0 m coiled cable; 3.5 mm plug with 6.35 mm adapter; made in Germany.

The DT 770 PRO (250-ohm) is the studio-standard closed monitor with an innovative bass-reflex system and robust spring-steel headband for daily use. Its circumaural, well-sealed design and velour pads provide reliable isolation, while the highly linear driver delivers detailed, low-distortion monitoring for tracking, editing and general studio work.

The single-sided coiled lead simplifies handling at the console. All wear parts (earpads, headband pad, cable) are replaceable to support long-term serviceability.

KEY FEATURES

• Closed, circumaural construction with ≈18 dBA passive isolation
• Linear, detailed tuning with low distortion (<0.2% THD)
• Innovative bass-reflex system for defined low end
• Single-sided 3.0 m coiled cable; 3.5 mm plug + 6.35 mm adapter
• Soft replaceable velour earpads; rugged spring-steel headband
• Handmade in Germany

TECHNICAL SPECIFICATIONS

• Type / operating principle: Dynamic, closed-back
• Ear coupling: Circumaural (over-ear)
• Impedance: 250 Ω
• Frequency response: 5 – 35,000 Hz
• Nominal SPL: 96 dB
• Total harmonic distortion (THD): < 0.2%
• Ambient noise isolation: ≈ 18 dBA (80/250 Ω versions)
• Nominal headband pressure: ≈ 3.5–5.5 N
• Weight (without cable): 270 g
• Cable / connector: 3.0 m coiled, single-sided; 3.5 mm TRS with screw-on 6.35 mm adapter
• Earpads: Velour (grey)