Sony MDR-PQ4 Operating Instructions
![Sony MDR-PQ4 manual cover](/images/67b563e983f55e0532cdd726/thumbs/thumb175x175.webp)
To pair the Sony MDR-PQ4 headphones, turn on the headphones and activate pairing mode by holding the power button until the LED indicator flashes blue and red. On your Bluetooth device, enable Bluetooth and select "MDR-PQ4" from the list of available devices.
First, ensure that the charging cable is properly connected to both the headphones and a power source. Try using a different USB cable or charger. If the problem persists, check the charging port for debris and clean it carefully.
To reset your headphones, turn them off and then press and hold the power button and the volume up button simultaneously for about 7 seconds. The LED will flash indicating that the reset is complete.
Ensure that the headphones are charged and powered on. Check the volume on both the headphones and the connected device. Make sure the Bluetooth connection is active and stable. If using a wired connection, verify that the cable is properly connected.
To extend battery life, lower the volume, disable unused features like noise cancellation, and avoid exposing the headphones to extreme temperatures. Regularly charge the headphones to prevent deep discharge.
No, it is not recommended to use the Sony MDR-PQ4 headphones while they are charging as it may affect battery performance and longevity.
Use a soft, dry cloth to gently wipe the headphones. Avoid using water or cleaning solutions. For ear pads, remove them if possible and clean them separately with a damp cloth.
Ensure that both devices are within the recommended Bluetooth range. Check for interference from other wireless devices. Restart both the headphones and the connected device. Updating the device's Bluetooth drivers may also help.
Check the Sony support website for any available firmware updates. Follow the instructions provided, which typically involve downloading the update to a computer and transferring it to the headphones via USB.
Ensure that the audio source is of high quality and that the headphones are properly paired or connected. Adjust the equalizer settings on your device or try different audio formats. Check for any obstructions or damage to the headphones.