Sennheiser HD 490 PRO Professional Open-Back Headphones

Key Features

Backed by decades of Sennheiser engineering, technology, research and development
Open-back design with an extremely wide, dimensional sound stage and ultra-precise localization
Uncolored frequency response for honest, dynamic sound reproduction across the full spectrum
Innovative low-frequency cylinder system for full, accurate, and clearly defined low end
Precision-engineered ergonomics eliminate pressure points and deliver supreme, flexible, lightweight comfort
Sennheiser Open-frame Architecture reduces total harmonic distortion (THD) and minimizes resonance,improving audio accuracy
Includes Dear Reality dearVR MIX-SE plugin, turning your DAW into an ultimate virtual mixing environment via advanced spatial audio technology
Two unique sets of ear pads for producing or mixing help eliminate ear fatigue and pinpoint frequencies
Sustainability-inspired with washable, replaceable pads and FSC-certified, forest-friendly packaging
Geometrically angled earcup design optimizes transducer placement for a consistent listening experience
State-of-the-art neodymium magnets for superior driver performance and efficiency
Patented cable coil structure blocks cable-borne noise, ensuring the clearest signal
Ultralight voice coil for remarkably authentic and dynamic audio reproduction
Right and left ear jacks with detachable cable easily adapts to any studio configuration
Patented accessibility features: braille-guided L/R earcups and grooved ear pads for eyeglasses
Open-mesh metal earpiece covers provide natural ventilation
Durable design meticulously engineered in Germany and hand-assembled in Romania
 

Specs

Weight (w/o cable) : 260 g
Max. Sound Pressure Level : 128 dBSPL (1 kHz @ 5% THD)
Sensitivity : 105 dBSPL (1 kHz/1 Vrms), 96 dBSPL (1 kHz/1 mW)
Transducer Principle : Dynamic, open
Wearing Style : Over-ear
Acoustic Principle : Open
Ear Coupling : Circumaural
Transducer Size : 38 mm
Transmission Range : 5 Hz to 36,100 Hz (-10 dB)
Distortion (THD) : <0.2% (1 kHz, 100 dB SPL)
Impedance : 130 ? (1 kHz)
Power Rating : 300 mW (100 h, noise IEC 60268)
Temperature Range (Operation) : +0 to +50 °C
Temperature Range (Storage) : -25 to +70 °C
Relative Humidity (Operation) : 10 to 80% (not condensing)
Relative Humidity (Storage) : 10 to 90%