Sennheiser RS 185 Open Back RF Wireless Headphones

MSRP 399.95
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Designed with the serious music lover in mind, Sennheiser RS 185 now allows you to fully enjoy dynamic, high-quality Sennheiser sound without the hassle of wires.

The innovative, ergonomic design of these wireless open-back headphones allows you a light, comfortable listening experience, even during extended use. This enhanced comfort does not mean a sacrifice on quality, as the RS 185 delivers precise sound reproduction in uncompressed digital quality, even as you move from room to room.

Conveniently located controls make it easier to manually adjust input level and balance, giving you the power to fine-tune the subtle nuances of each track with stunning acoustic clarity. Simply connect the multi-purpose transmitter to your home sound system (using optical or analog inputs) and immerse yourself in the impressive audio of the Sennheiser RS 185.


  • Wireless, open, circumaural headphones with uncompressed digital audio transmission
  • Exceptional digital audio clarity and transmission range of up to 328ft/100m (line of sight)
  • High-performance Sennheiser transducers for precise, thrilling sound
  • Control the sensitivity of your analog input – choose between Automatic Level Control (ALC) mode to even out volume differences automatically or Manual Level Control (MLC) mode to manually adjust the sensitivity
  • Supports analog and digital audio inputs
  • Balance control located on the headset for convenient adjustments
  • 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 185
  • Ergonomic design for enhanced wearing comfort
  • 2-year warranty

In the box:

  • HDR 185 headphones
  • TR 185 transmitter
  • Optical cable
  • RCA audio cable
  • Power supply with 4 adapters (EU, UK, US & AU)
  • 2 AAA NiMH rechargeable batteries
  • Quick guide & Instruction manual CD
Acoustic principle Open
Frequency Response 17 - 22,000 Hz
Carrier frequencies 2.40 – 2.48 GHz
Operating time Up to 18 hrs
Weight (incl. batteries) 10.9 oz.
Range Up to 100 m
Transmission codec Uncompressed
Signal-to-noise ratio (SNR) analog input: ALC typ. 85 dBA at 1 Vrms, MLC ≥ 90 dBA digital input: > 90 dBA
Total Harmonic Distortion (THD) <0.5% at 1 kHz, 100 dB SPL
Max. Sound Pressure Level (SPL) 106 dB at 1kHz, 3% THD
Max. active parallel headphones 2
Audio input connection 1 x RCA stereo, 1 x optical digital
System modulation 8-FSK Digital
Power consumption (standby) typ. 0.4 W
MSRP $399.95 

2 Reviews

Customer Reviews


Head Phones

Easy to deal with, quick shipping and saved $XX over what Amazon was selling these for.

Reviewed on 05/06/2017
84 out of 166 customers found this review helpful.
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Great purchase

Very pleased with RS 185 open back RF Wireless Headphones. Old age hearing loss, needed headphones to watch TV without cranking up the volume. Open back design is perfect combination of great sound, ear comfort, and the ability to hear outside sounds such as phone ringing or door knocking. Also, excellent experience with Audio Geeks. Highly recommend purchasing this product through those folks.

Reviewed on 05/11/2017
80 out of 156 customers found this review helpful.
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