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Sony MDR-RF985RK Wireless Radio Frequency Headphone System


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  • Wireless Range up to 150′
  • Built-In Rechargeable Battery
  • Up to 25 Hours of Battery Life
  • Transmits Over RF Signal
  • 40mm Drivers
  • Headphones Recharge on Transmitter Base
  • Adjustable Headband

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The Sony MDR-RF985RK Wireless Radio Frequency Headphone System is designed to transmit analog audio sources wirelessly to its headphones with a range of operation of up to 150-feet. The headphones feature a built-in rechargeable battery that can provide playback for up to 25-hours per charge. They are charged by connecting to the transmitter base station, and produce a full charge in 3.5 hours. The headphones also feature 40mm drivers and an adjustable headband designed to provide comfort for long listening sessions.

The system’s transmitter features a stereo pair of RCA inputs and a single 1/8″ stereo mini-jack input. It broadcasts on an analog 900 MHz radio frequency and has three selectable channels.

Additional information

Weight 24 oz
Dimensions 8.82 × 4.25 × 3.86 in


Noise Cancelling


Battery Life

Up to 25 Hours


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