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Sennheiser RS 180 Digital Wireless Over-EarHeadphones (Open)

Released on 01 March 2011

Manufacturer: Sennheiser

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Sennheiser's Digital Wireless RS 180 Headphones, deliver an unbelieveable sound reproduction. Using an open, circumaural design, the headphones can breathe from both sides of the ear cups, offering you an excellent sound image. This wireless headphone sytem utilises Kleer's uncompressed digital wireless audio transmission and can serve up to four pairs of headphones. In addition, it gives you the freedom to travel up to 100m (line of sight) from your sound source. The RS 180 is also equipped with balance and automatic level controls. The former provides for right/left volume adjustment while the latter for improved speech intelligibility as well as to ensure that the headphones always reproduce at optimum audio levels. Like the RS 170, the transmitter for the RS 180 is multi-functional - doubling as an 'easy-charge' cradle and docking station. So if you want high quality wireless listening, the RS 180 offers superb detailed sound for both your music & your TV at distances up to 100m! Dynamic transducer systems with powerful neodymium magnets for clear and detailed audio reproduction. Multi-purpose transmitter - Also functions as 'easy-charge' cradle and docking station, Balance control for right/left volume adjustment. Ergonomic and adjustable headband for an excellent and secure fit & extremely comfortable velour earpads and headband cushions for long listening periods. No set-up required ' Just plug and play! Delivery Includes HDR 180 headphone (receiver), TX 180 transmitter, Multi-country charger, Detachable audio cable, RCA cable, 3.5 / 6.3mm adapter, 2 AAA NiMH rechargeable batteries. 2 Year Guarantee

Tips when using TV: Stopped working with TV after a few minutes - increase the volume setting of your TV - you might need to turn the volume control on the headphones down then as well - assuming that your headphone base unit is connected to the headphone socket of the TV. I want to listen to the TV on the speakers and Wireless headphones at the same time - On most televisions, inserting a plug in to the headphone (jack) socket will shut off the sound from the loudspeakers. On some TV's this is optional and controlled through a menu selection and on some TV's there is even a separate menu control for the headphone volume. If you are ever unsure whether you have a problem with a particular TV or with the RS 1xx headphones you can always test the RS 1xx headphones by plugging the jack plug in to another known good sound source with a headphone socket such as an MP 3 player or portable CD player. There are two adaptors available to enable you to connect the RS 1xx headphones to a television without using the headphone socket. One is for a TV with audio outputs on RCA connectors (also known as Phono connectors, small round sockets, one with a red centre and one with a white centre). Beware however that many TV's also have this same kind of socket fitted as inputs to allow connection of camcorders etc. so you do have to make sure that the sockets you are using are AF Outputs. The second adaptor allows you to use a spare SCART socket on the TV, if there is one available, to connect your headphones instead. The only issue with this option is that you will find that on many TV's you only hear the TV sound through the headphones even when playing a DVD or watching through a satellite receiver such as Sky+ box or other devices external to the TV. So if your TV has AF outputs provided on RCA or Phono connectors as mentioned above it will usually be best to use those.
What is happening to my radio mic frequencies - Channel 69, Channel 38, Digital TV Switchover - For answers relating to these topics click here: UHF Frequency Statement.
  • SYSTEM REQUIREMENTS - Modulation MSK Digital
  • Carrier frequencies 2.4 ' 2.48 GHz
  • Range approx. 100 m in the open area
  • Rated Input 100-240 V, 0.2 A, 50/60 Hz
  • TRANSMITTER - Audio Input 3.5 mm stereo
  • Audio Output RCA
  • Power consumption < 0.5 W
  • Power supply 5 V DC , 500 mA
  • Signal-to-noise ratio 85 dBA (0.5 Vrms, 1kHz)
  • Weight approx. 204 g (without batteries)
  • Dimensions 12.5cm x 11.2cm x 23cm
  • HEADPHONES - Frequency response 18 Hz - 21000 Hz
  • THD, total harmonic distortion <0.5 % (1 kHz, 100 dB SPL)
  • Sound pressure level (SPL) 110 dB
  • Impedance 32 ohm
  • Transducer principle open, dynamic
  • Ear coupling circumaural
  • Charging time approx. 16 hours
  • Power supply 2 NiMH-Akkus Typ AAA, 1,2 V, 600 mAh
  • Operating time approx. 24 hours
  • Weight approx. 204g (without batteries)
  • POWER SUPPLY - Rated Input 100-240 V, 0.2 A, 50/60 Hz
  • Rated Output 5 V DC, 500 mA
  • Operating temperature 0 °C to 40 °C / 32 °F to 104 °F

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