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Sennheiser HD 660S2 Headphones

Sennheiser HD 660S2 Headphones

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Regular price $499.95 In stock now!
Regular price $599.95 Sale price $499.95 In stock now!
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Sennheiser HD 660S2 Headphones

Dynamic, open headphones with a 38 mm driver. Made in Ireland.

The Sennheiser HD 660S2 has an intimate, relaxed sound signature combined with outstanding precision and exceptional comfort — and now, extended sub-bass.


  • Uniquely powerful vented magnet system for minimized distortion
  • Intimate sound with great timbre and deep, accurate sub bass
  • Outstanding quality designed in Germany, made in Ireland
  • Ultra-light aluminum voice coil with 300-ohm impedance for excellent impulse response
  • Plush ear cushions and open design for maximum comfort

Included in the Box

  • 6.3 mm cable (1.8 m)
  • 4.4 mm cable (1.8 m)
  • 6.3 mm to 3.5 mm adapter
  • Carry pouch


Transducer Size: 38 mm

Frequency Response (-10 dB): 8 – 41,000 Hz

Impedance: 300 Ω  

Weight: 260 g