Sennheiser HD 660S Audiophile Open Back Headphones

£429.00

The Sennheiser HD 660S retains all the virtues of its legendary predecessor, the HD 650, but also represents a decisive step forward technology-wise. Thanks to advanced simulation possibilities, their engineers were able to further optimize the magnet system and the shape of the diaphragm. The new transducers are meticulously measured for each headphones and are hand-selected in pairs. In terms of sound, the Sennheiser HD 660S sets a new benchmark in its class and masters the balancing act between perfect control and fascinating musicality in a playful way. With powerful bass, seductive timbres and breathtaking clarity, the HD 660S lets you experience the pure joy of music. The Sennheiser HD 660S will inspire you.

Package contents

1 HD 660S open, dynamic headphones

1 connection cable with 1/4" (6.35 mm) stereo jack plug (connected ex works), unbalanced

1 connection cable with 4.4 mm stereo jack plug, balanced

1 stereo jack adapter
(1/4" (6.35 mm) to 3.5 mm)

1 instruction manual 1 storage box

Technical Data

  • Wearing style
    Headband
  • Color
    matte black
  • Frequency response (Headphones)
    9 – 41,500 Hz
    • Sound pressure level (SPL)
      104 dB
    • THD, total harmonic distortion
      < 0,04%
    • Contact pressure
      6.0 N ± 1 N
    • Ear coupling
      circumaural
    • Connector
      6.35 mm / 4.4 mm Pentaconn
    • Cable length
      3 m
    • Transducer principle
      Dynamic, open
    • Nominal impedance
      150 Ω
    • Weight w/o cable
      260 g

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