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Koss Jr900 Rf [radio Frequency] Stereophone System (127670) 

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Model: JR900

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The jr900 stereophone system operates on a 900mhz radio frequency band, one of the highest power band for cordless stereophones available on the market. The jr900 consists of a high quality, battery operated stereophone, the rf transmitter, and an ac adapter. Utilizing a radio signal, the jr900 allows the listener to move freely from room to room and outdoors without the need for additional transmitters or experiencing signal breakup. The signal can be transmitted through walls, ceilings, and floors and is not affected by bright sunlight. Listeners can roam freely over 70,000 square feet within the signal. Finish cleaning the attic while keeping an ear on your favorite soap operas. Work out in the garden or garage while tuning into the sunday afternoon football games. Or just lounge around on the deck on a summer evening with a live symphony broadcast. Combing the sound of koss with the latest in rf technology, the jr900 is koss' answer to music lovers' need for true stereo and cordless freedom.


Package Contents: 
  • JR-900 Wireless RF Headphone
  • Transmitter
  • AC power adapter
  • Rechargeable NiCad Batteries

  • Five channel stereo transmitter
  • 16 microns Mylar diaphragms
  • Adjustable, padded, vinyl-covered headband
  • Operates on a 900MHz radio frequency band
  • Listeners can roam freely over 70,000 ft2
  • Multiple sound source capability when used with additional transmitters
  • Battery Life:5-10 Hours


  • Stereo, video or computer sound source


General Information
ManufacturerKoss Corporation
Manufacturer Part Number127670
Manufacturer Website Addresshttp://www.koss.com
Brand NameKoss
Product ModelJR-900
Product NameJR-900 Wireless RF Headphone
Product TypeHeadphone
Technical Information
Connectivity TechnologyWireless
Wireless TechnologyRF
Impedance10 Kilo Ohm
Minimum Frequency Response20 Hz
Maximum Frequency Response20 kHz
Earpiece DesignOver-the-head
Earpiece TypeBinaural
Earpiece ControlsVolume
Driver TypeNeodymium
Physical Characteristics
Form FactorEar-cup
Weight (Approximate)10 oz
ProductTitleKoss JR-900 Wireless RF Headphone - Wireless - RF - 10 Kilo Ohm - 20 Hz 20 kHz - Binaural - Ear-cup

Warranty Information

Limited WarrantyLifetime
Beach Audio Warranty

This product was added to our catalog on Wednesday, June 27, 2012.


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