Sony MDR-RF840RK
![]() | Outdated Product 2 198 ₴ Wireless headphones that combine a relatively low price and a rather impressive set of features.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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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.
Catalog Sony 2025 - new arrivals, bestsellers, and the most relevant models Sony.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Sony 2025 - new arrivals, bestsellers, and the most relevant models Sony.

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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
- 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
- AC adapter
- Plug adapter
- Battery
- Connecting cables