Headphones — Sennheiser HD 660 S2

Specifications

• Model name

  HD 660 S2

• Transducer principle

  Dynamic or Isodynamic

• Scheme

  Open

• Wearing style

  Over-ear

• Frequency response low +/- 10dB (Hz)

  8

• Frequency response high +/- 10dB (Hz)

  41 500

• Max. sound pressure level (dBSPL (1 kHz @ 5% THD))

  N/A

• Connection type

  Wired

• Connector (mm)

  6.3 mm, 4.4 mm

• Sensitivity (dBSPL (1 kHz/ 1 mW)))

  104

• Impedance (Ohm (1 kHz))

  300

• Playback time (hours)

  N/A

• Weight (g)

  260

• Official link

  https://global.sennheiser-hearing.com/products/hd-660s2