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Sennheiser RS 175 Digital Wireless Headphone System


    • Giving you access to personal virtual surround-sound, the RS 175 Digital Wireless Headphone System from Sennheiser consists of a pair of HDR 175 headphones, and a TR 175 transmitter. The TR 175 features an analog 1/8" stereo input along with a digital optical input for connectivity to a variety of audio and home entertainment systems, and functions both as a transmitter and charging station for the headphones. You can connect up to 2 headphones to the TR 175, by using an additional set of HDR headphones (not included). The HDR 175 headphones have a closed, circumaural design, and have dynamic bass boost and virtual surround sound modes, allowing you to customize playback. Analog and optical audio cables are included, along with 2 AAA rechargeable batteries.

      • Closed, circumaural headphones with digital wireless audio transmission
      • Digital audio clarity and transmission range of up to 328' (100m) (line of sight)
      • Enables switching between dynamic bass and virtual surround sound listening modes for situational sound customization
      • Supports analog and digital audio inputs and allows toggling between the inputs
      • Intelligently designed controls for 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
      • Ergonomic design for wearing comfort




  • Frequency Response: 17 Hz to 22 kHz
  • Maximum SPL: 114 dB at 1 kHz, 3% THD
  • THD: <0.5 at="" 1="" khz="" 100="" db="" spl="" p="">
  • Transducer Principle: Dynamic, closed
  • Operating Time: Up to 18 Hours
  • Weight: 11 oz (310 g), including batteries


  • Audio Input: 1x 1/8" (3.5 mm) stereo analog input, 1x Optical digital stereo input
  • Power Consumption: ≤ 0.3 W (standby)


  • Range: Up to 328' (100 m)
  • Signal to Noise Ratio Analog Input: 85 dBA at 1 Vrms, typical
  • Digital Input: > 90 dBA
  • Modulation: 8-FSK Digital
  • Carrier Frequency: 2.4 to 2.48 GHz

Packaging Info

  • Package Weight: 3.25 lb
  • Box Dimensions (LxWxH): 10.1 x 9.5 x 5.9"

In The Box

  • Sennheiser RS 175 Digital Wireless Headphone System
  • HDR 175 Headset for RS 175 System
  • TR 175 Transmitter
  • Optical Digital Audio Cable
  • Audio Cable
  • Power Supply
  • 4 x Adapters (EU, UK, US, AU)
  • 2 x AAA NiMH Rechargeable Batteries
  • Limited 2-Year Warranty


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