Beyerdynamic DT 1770 PRO

Closed Studio Reference Headphones

• 250 Ohms, 45 mm dynamic Tesla neodymium driver
• Rugged headband made of spring steel
• Single-sided, detachable cable with mini-XLR (coiled and straight, in the box)
  
  
  

SUPPLIED ACCESSORIES:

• Premium carrying case
• Jack adapter 6.35 mm
• Coiled cable
• Straight cable
• Two ear cushion sets (1x velours and 1x high-quality artificial leat)
  

Technical Specifications

Transducer type: Dynamic
Operating principle: Closed
Frequency response: 5 - 40,000 Hz
Nominal impedance: 250 Ω
Nominal SPL: 102 dB SPL (1 mW / 500 Hz)
Max. SPL: 125 dB SPL (200 mW / 500 Hz)
T.H.D.: < 0.05% (1 mW / 500 Hz)
Nominal power handling capacity: 200 mW
Sound coupling to the ear: Circumaural
Ambient noise attenuation
Velours:  approx. 18 dBA
Leatherette: approx. 21 dBA
Nominal headband pressure: approx. 7.2 N
Weight (without cable): 388 g
Length and type of cable: 3 m / straight cable or 5 m / coiled cable (stretched), each detachable with 3-pin mini XLR cable connector, single-sided
Connection: Gold-plated mini stereo jack (3.5 mm) & 1/4" adapter (6.35 mm)