Sennheiser HDR 170 Wireless Headphone

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Wireless headphones come in many shapes and sizes but few offer as pleasing a home cinemacentric performance than the HDR 170. This wireless headphone sytem comprises of a pair of wireless headphones and a multi-purpose transmitter which also functions as an 'easy-charge' cradle and docking station. The HDR 170 utilises Kleer's uncompressed digital wireless audio transmission, offering an effective range of 80m (line of sight), and can serve up to four pairs of headphones.


  • Closed, circum-aural digital wireless headphones with Kleer's uncompressed audio transmission
  • Dynamic transducer systems with powerful neodymium magnets for clear and detailed audio reproduction
  • Dynamic Bass and Surround Sound listening modes
  • Ergonomic and adjustable headband for an excellent and secure fit
  • Leatherette earpads and headband cushions for outstanding comfort

Technical Details

  • Brand : Sennheiser
  • Model : HDR 170
  • Transducer principle (Headphones) : closed, dynamic
  • Ear coupling : Circumaural
  • Sound pressure level (SPL) : 110 dB
  • THD, total harmonic distortion : <0.5 % a 1 kHz, 100 dB SPL
  • Frequency response : 18 Hz - 21000 Hz
  • Carrier frequencies : 2.4 – 2.48 GHz
  • Range : Approx. 80 m in the open area
  • Rated Input  : 100-240 V, 0.2 A, 50/60 Hz
  • Impedance : 32 Ω
  • Charging time : Approx. 16 hours
  • Power supply : 2 NiMH-Akkus Typ AAA, 1,2 V, 600 mAh
  • Operating time : Approx. 24 hours
  • Weight : Approx. 228 g



Model  HDR 170
Frequency Response  18 - 21,000 Hz
THD  < 0,5 %
Input Impedance  32 Ω
Sensitivity  110 dB
Connector  Wireless
Ear Coupling  Over The Head
Type  Over the Head
Mic  No
Bluetooth - Wireless
Wireless Type  RF
Talk Time  24 hours
Power Supply  2 NiMH-Akkus Typ AAA
Bluetooth Enabled  No
Wireless Enabled  Yes


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