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Sony MDR-RF840RK

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Wireless headphones that combine a relatively low price and a rather impressive set of features. So, their range is 100 m, up to 3 transmission channels are supported, and the time of continuous operation can reach 28 hours, further increasing thanks to the automatic shutdown function. The base-stand simultaneously serves as a charger, and wireless. The headphones themselves are overhead closed type, equipped with a volume control and have a frequency range of 20 – 20,000 Hz.
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Sony MDR-RF840RK
Colour
Connection and design
Designoverhead, closed
Connection typewireless
Connectionradio channel
Range100 m
Specs
Frequency range20 – 20000 Hz
Emitter typedynamic
Features
Volume control
Power supply
Power sourceAAA
Operating time (music)28 h
General
Weight300 g
Added to E-CatalogJanuary 2008

Wireless headphones that combine a relatively low price and a rather impressive set of features. So, their range is 100 m, up to 3 transmission channels are supported, and the time of continuous operation can reach 28 hours, further increasing thanks to the automatic shutdown function. The base-stand simultaneously serves as a charger, and wireless. The headphones themselves are overhead closed type, equipped with a volume control and have a frequency range of 20 – 20,000 Hz.

The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
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Additional features headphones Sony MDR-RF840RK:
  • 40mm diaphragm delivers deep bass
  • Easy charging by placing the earphones in the base (earphones are charged by electromagnetic induction)
  • Diaphragm — polyethylene terephthalate
  • Automatic on/off headphones extends battery life
Transmitter:
  • Signal reception range (m) — 100
  • Charging stand type — stationary
  • Battery charging method — automatic
  • Battery level indication
  • Power indicator
  • Distortion level (in % at 1 kHz) < 1
  • Transmitter frequency range (Hz) — 30-12 000
  • Power (on/off) — signal transmission starts when an audio signal is detected
  • Available channels — 3
  • Mini jack for stereo input
  • RCA input jack
Equipment:
  • AC adapter
  • Plug adapter
  • Battery
  • Connecting cables