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Sennheiser Additional Headphones For RS 165 Wireless Headphone System - 505581

Abt Model: HDR165 | UPC Code: 615104229556
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Your Shipping Zip Code: 20149

Estimated Delivery Date: Aug 21st *

When you order in the next 3 hours, 45 mins

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Product Details

Sennheiser Additional Headphones For RS 165 Wireless Headphone System, Model 505581

Additional / replacement headphones for the RS 165 digital wireless headphone system.



  • Frequency response: 18 - 21,000 Hz
  • Max. sound pressure level: 106 dB at 1kHz, 3% THD
  • THD, total harmonic distortion: <0.5 % at 1 kHz, 100 dB SPL
  • Transducer principle: dynamic, closed
  • Operating time: up to 18 hrs


  • Range: Up to 30 m
  • Signal-to-noise ratio: typ. 85 dBA at 1 Vrms
  • Modulation: 8-FSK Digital
  • Carrier frequencies: 2.4 – 2.48 GHz

In the Box:

  • HDR 165 headphones

Approximate Weight:

  • Shipping: 1 lb
Key Features
Additional / Replacement Headphones For The RS 165 Digital Wireless Headphone System/ 18 - 21,000 Hz Frequency Response/ 106 dB At 1kHz, 3 Percent THD Max. Sound Pressure Level/ Up To 18 Hrs Operating Time/ Black Finish
More reasons to buy the Sennheiser 505581 from Abt Electronics
  • is an authorized dealer (Learn More).
  • The Sennheiser 505581 is Brand New.
  • The Sennheiser 505581 Ships in a Factory Sealed Box.
  • Abt ships this product for free!
Connection To Smartphone / Media Player: Wired Or WirelessWireless
True WirelessNo
Ideal For Wireless TV UseYes
Ideal For Sports And WorkoutsNo
Android ControlsNo
iPhone ControlsNo
Sound IsolationYes
Noise CancelingNo
Power SwitchYes
Volume ControlYes
Gaming HeadsetNo


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