Nothing makes the music feel dramatic like powerful bass. The extremely precise yet non-fatiguing sound of the HD 660S2 now delivers even more impact with extended sub-bass. Our engineers optimized the HD 660Ss surround, transducer airflow, and coil to double the sound pressure at the lowest octaves. You can feel the lowest note on the piano (27.5 Hz) or the kick of the bass drum (45-60 Hz) as if you were there. The relaxed tone and open-back design make these extremely comfortable headphone great for long sessions. With warm tuning, smooth treble, and strong bass, the standard setter for extended listening is now the standard-setter for extended bass as well.
Key Features
Natural, relaxed, high-fidelity sound with extra sub-bass: Optimized surround and diaphragm with a new voice coil with a 300-ohm impedance
Exceptional comfort and build quality: The open-back design offers exceptional breathability for long listening sessions
38mm high-performance transducers built in Ireland: Steel mesh damping follows the drivers geometry to control air displacement, while the magnetic yoke includes milled air vents for optimal ventilation, which minimizes distortion
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