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RZ-S300W Firmware Download

Update Information

Panasonic Audio Connect application must be installed.

Model Number RZ-S300W
Update Version JMS1ZR 01.31
Update Date 6 Oct, 2020


6 Oct, 2020
JMS1ZR 01.31
  • Ambient sound improved to sound more natural.
3 Aug, 2020
JMS1ZP 01.21
  • Adds the ability to switch the LED on/off while connecting Bluetooth® device.
    * The latest version of the application must be installed.
  • Improves general performance.

System Requirements

  • An active Internet connection.
  • The headphones must be connected to your Android or iOS device.

Download & Install

  • You can find the firmware updating instructions from the "Setting > About the application > How to use guide" in the Panasonic Audio Connect application.
    To find out Checking the "firmware version and updating", go to the "Convenient function" on this page.

Check the Firmware Version

  • You can check the Firmware Version from the "Setting>Headphone information" in the Panasonic Audio Connect application.
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