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  • Audiophile sound: The natural, relaxed, high-fidelity sound (8 Hz - 41,500 Hz) offers an intimate listening experience with great timbre and deep, accurate sub bass.
  • 42mm high-performance transducers: Steel mesh damping follows the driver’s geometry to control air displacement for precise sound.
  • Vented magnet system: The magnetic yoke includes milled air vents for optimal ventilation to minimize distortion.
  • Aluminum voice coil: Specially developed ultra-light voice coil with 300-ohm impedance for excellent impulse response.
  • Open-back earcups: Facilitate the natural expansion of sound waves for a hi-fidelity spacious soundstage.
  • Exceptional comfort: Open elliptical earcups provide breathability and luxuriously comfortable velour pads provide hours of fatigue-free listening.
  • Outstanding build quality: Designed in Germany, made in Ireland, each element is carefully selected to meet exacting standards.
  • Detachable cables: Para-aramid reinforced cables with OFC copper ensure signal integrity and a very low handling noise.
  • Ergonomic design: The low total weight and ergonomic headband eliminate potential discomfort on top of the head

Sennheiser HD 660S2 Audiophile Headphone

SKU: 700240
HK$4,799.00Price
    • Wearing style - Headband
    • Transducer size - 38 mm
    • Frequency response (Headphones) - 8 – 41,500 Hz
    • Sound pressure level (SPL) - 104 dB
    • THD, total harmonic distortion - < 0.04%
    • Adapter - 6.3 mm (1⁄4 inch) to 3.5 mm
    • Connector - 6.3 mm (1⁄4 inch) jack plug, 4.4 mm balanced plug
    • Cable length – 1.8 m
    • Transducer principle - Dynamic, open
    • Impedance - 300 Ω
    • Weight w/o cable - 260 g
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