IMPORTANT: This file is only for use with the models identified. Not all models are sold in all countries.

This information is for the following models:

  • WX-920BT

About this download

Benefits and improvements

This utility updates the firmware of your Bluetooth® Audio System to version M 11 / S 36 and resolves an issue where the sound is distorted when the High-Pass Filter (HPF) is switched.

System Requirements

Operating Systems

  • System Software

File Info

File Name


File Version

  • M 11 / S 36

File Size

  • 0.73 MB

Release Date

  • 08-29-2018