WiiM Sub Pro Firmware v5.2.732142 Update - Oct 11, 2025

Please review the WiiM Sub Pro update release notes below. If you encounter any issues, feel free to reach out to us. This firmware update is being rolled out in stages, with devices updating sequentially over the next few days.

5.2.732142 (Latest)​

Release date:

10 / 11 / 2025

Bug Fixes :

1. Playback Stability: Fixed a crash issue that could interrupt bass output.
2. Sound Level: Optimized the volume meter for clearer and more balanced sound at low volumes.
3. RoomFit™: Auto-adjusts test volume for accuracy at low levels.

 

[QuarryHunslet]

My Sub Pro has just received the update.

 

[adias]

My Sub Pro has just received the update.

I did too. Did you notice any change?

 

[QuarryHunslet]

I did too. Did you notice any change?

I haven’t tried it since updating, as I’m still in bed.

 

[QuarryHunslet]

Sound Level: Optimized the volume meter for clearer and more balanced sound at low volumes.

I’m not sure what this means, or even what has been changed.

 

[adias]

I’m not sure what this means, or even what has been changed.

I too would like to know what that is.