Sony MDR-RF811RK Wireless Headphones - Black
Sony wireless on‑ear headphones deliver clear 20–20 kHz sound with a 100 m range, NiMH rechargeable battery, and a lightweight head‑band for ...
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bestearphones.co.uk
51.27 GBP
Price updated on: 07-10-2025 11:31:47
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5999.00 GBP
Price updated on: 04-04-2025 18:56:41
General
Brand
Sony
Model
Sony MDRRF811RK.CEK
MPN
Sony MDRRF811RK.CEK
Characteristics
AC adapter included
Yes
Acoustic system
Closed
Battery recharge time
16 h
Battery technology
Nickel-Metal Hydride (NiMH)
Battery type
BP-HP550-11
Charging source
AC
Color
20
Connectivity technology
Wireless
Driver unit
4 cm
Ear coupling
Circumaural
Headphone frequency
20 - 20000 Hz
Magnet type
Neodymium
Modulation
FM
Product Type
Headphones
Quantity
1
Receiver weight
137 g
Rechargeable battery
Yes
Volume control
Rotary
Wearing style
Head-band
Weight
270 g
Wireless range
100 m
Wireless receiver interface
3.5 mm
