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The Sennheiser HD 660S lets you enjoy sophisticated audiophile sound in even more listening situations. The successor of the legendary Sennheiser HD 650 excels with the improved performance of its new transducer design. Thanks to its lower impedance, it delivers reference-class sound also when connected to hi-res mobile players, thus offering much greater versatility. The HD 660 S is an elegantly designed piece of high-quality engineering that indulges the demanding listener with aural precision and great wearing comfort.

Made for the demanding listener, the HD 660 S surpasses the exceptional performance of its predecessor, the legendary HD 650. With a crisp bass, excellent mid-frequency response, and a gentle, pleasantly natural treble, the HD 660 S has an expressiveness that immerses you in every emotion and nuance of music. Still, it always stays exceptionally accurate and transparent.

Technical Data

  • Impedance
    150 Ω 
  • Connector
    6.35 mm / 4.4 mm Pentaconn 
  • Frequency response
    10 – 41,000 Hz (-10 dB) 
  • Sound pressure level (SPL)
    104 dB at 1V 1kHz 
  • Ear coupling
    Over-ear (circumaural) 
  • THD + N, total harmonic distortion and noise
    < 0,04% (1 kHz, 100 dB) 
  • Transducer principle (headphones)
    Dynamic, open 
  • Weight w/o cable
    Approx. 260 g (without cable) 

Sennheiser HD 660S Premium Open Back HiFi Headphones

Was £429.00
From £5.89 per month

  Delivery Standard Shipping and Click & Collect  

  Payment Secure payment available  


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