Sony RF Wireless Headphones MDRRF985RK



(416) 282-8111

Cordless Headphones

Enjoy high-fidelity sound at home in wireless freedom

Long-term comfort

The easy-adjust headband allows for long-term comfort and ease-of-use

Expressive sound

40mm drivers deliver deeper bass and audio clarity for a superior home entertainment experience

Quality sound

Wireless radio-frequency transmission provides quality indoor transmission Up to approximately 150 ft

Fast charging

Quick charging your headphones is a breeze with the secure charging system A 3 5 hour charge will produce a full charge of approximately 25 hours recharge function

Driver Unit 40 mm 
Volume Control Yes (Rotary)
Audio Modes Mute
Effective Range Approximately 150 feet (45 m)
Transmitter Ch1
Frequency Response 10-22000 Hz
Channel Selection Select by a slide switch
Type of Use Home
Diaphragm PET
Design Over-the-head, Home-music/movie/games
Power On/Off Power turns ON when headphones are worn; Red LED illuminates
Headband Wide, Easy-Adjust
Magnet Ferrite
Headphone Type Closed, Dynamic
Communication Wireless Analog 900 mHz Radio Frequency
Inputs and Outputs
Audio In Analog Phono Input (left/right), Analog Stereo Input mini jack (x1)
Power Requirements DC 12 V (from supplied AC Adaptor)
Battery Type Rechargeable Lithium-Ion rechargeable battery
Battery Life (Approx) 25 H (with fully charged supplied Li-Ion battery pack)
Battery Charging (Approx) 3.5 H (to fully charge an empty battery); Battery is charged by placing MDR on TMR
Output Power 5 mW + 5 mW 
Internal Power Supply Transmitter
Tuning Manual tuning via switch on both base and headphones
Weights and Measurements
Cord Length (Approx.) Cord Length (Approx.)
Dimensions (Approx.) Transmitter
Weight (Approx.) Headphones

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