Manual for MDR-RF925RK MDR-RF970RK

Manual for MDR-RF925RK MDR-RF970RK

Brand: SONY

Category: Audio

Document Type: Manual

Language: EN

Available Languages: EN , ES

Uploaded: Nov. 21, 2025, 6:05 p.m.

Warranty Information

Sony provides a 12-month limited warranty for this product.

Getting Started

  1. Connect the supplied AC adapter to the transmitter.
  2. Connect the supplied audio cable to the transmitter.
  3. Plug the audio cable into your TV or audio device.
  4. Charge the headphones by placing them on the transmitter.
  5. Turn on the transmitter and headphones.
  6. Select the radio frequency on both the transmitter and headphones.
  7. Adjust the volume.

Listening to a Program

  1. Turn on the transmitter and headphones.
  2. Make sure the headphones are charged.
  3. Adjust the volume to a comfortable level.
  4. If you experience interference, change the radio frequency.

Charging the Supplied Headphones

  1. Connect the AC adapter to the transmitter.
  2. Place the headphones on the transmitter, ensuring proper contact.
  3. The indicator light on the headphones will turn red while charging.
  4. The light will turn off when fully charged.

Replacing the Ear Pads

  1. Gently pull the old ear pads off the earcups.
  2. Align the new ear pads with the earcups and press firmly until they click into place.

Troubleshooting and error codes

Problem Possible Cause Solution
No sound from headphones Transmitter is not turned on Turn on the transmitter.
Headphones are not turned on Turn on the headphones.
Audio cable is not connected properly Check the audio cable connections.
Volume is set too low Increase the volume on the transmitter and headphones.
Wrong input selected on TV/audio device Ensure the correct input is selected.
Low sound volume Volume is set too low Increase the volume on the transmitter and headphones.
Distorted sound Interference from other devices Move the transmitter away from other wireless devices. Try changing the radio frequency.
Low battery in headphones Charge the headphones.
Interference or static Interference from other devices Move the transmitter away from other wireless devices. Try changing the radio frequency.
Distance between transmitter and headphones is too far Move closer to the transmitter.
Headphones not charging Headphones are not placed correctly on the transmitter Ensure proper contact between headphones and transmitter.
AC adapter is not plugged in correctly Check the AC adapter connection.
AC adapter is faulty Replace the AC adapter.
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