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Sennheiser RS 165 Closed Back RF Wireless Headphones - Open Box

MSRP 219.95
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Delve into the world of perfect digital wireless home entertainment with Sennheiser’s RS 165. These headphones offer an ergonomic, closed, circumaural design that not only decreases background noise but also offers a remarkably comfortable fit- leave the distractions behind, and immerse yourself in your favorite audio or television program with these exceptional headphones.

Intuitive and easy to use, simply connect the included multipurpose transmitter to your own home audio or entertainment system and start to enjoy the dynamic, harmonious sound reproduction of these Sennheiser’s headphones.

Move freely with reliability as the RS 165 features wireless audio transmission with minimum latency providing a continuous robust sound even as you move from room to room. You can even switch to Bass Boost mode for added audio power!


  • Closed, circumaural headphones with excellent digital wireless audio transmission
  • High-quality Sennheiser transducers and a selectable Bass Boost mode for vibrant sound
  • Intelligently designed controls for maximum ease of use
  • Multi-purpose transmitter – also functions as ‘easy-charge’ cradle and docking station
  • Multi-receiver transmission – transmitter supports up to two pairs of headphones simultaneously, HDR 165
  • Ergonomic design for enhanced wearing comfort
  • 2-year warranty

In the box:

  • HDR 165 headphones
  • TR 165 transmitter
  • Audio cable (analog)
  • Power supply with 4 adapters (EU, UK, US & AU)
  • 2 AAA NiMH rechargeable batteries
  • Quick guide & Instruction manual CD

Transmission codec Uncompressed
Range Up to 30 m
Audio input connection 1 x 3.5 mm stereo
Weight (incl. batteries) 10.5 oz
Carrier frequencies 2.40 – 2.48 GHz
Power consumption (standby) typ. 0.4 W
System modulation 8-FSK Digital
Frequency Response 18 - 21,000 Hz
Total Harmonic Distortion (THD) <0.5% at 1 kHz, 100 dB SPL
Acoustic principle Closed
Max. active parallel headphones 2
Signal-to-noise ratio (SNR) typ. 85 dBA at 1 Vrms
Operating time Up to 18 hrs
Max. Sound Pressure Level (SPL) 106 dB at 1kHz, 3% THD
MSRP $219.95  You Save: 13.6%