W-king D9 Firmware Update

Once the tool confirms success, unplug the speaker and restart it. You may need to "Forget" the old "D9" entry in your phone's Bluetooth settings and pair it again as " W-KING D9-1 Go to product viewer dialog for this item. Key Improvements and App Support

A subset of W-King D9 units, particularly those sold in regions with strict noise regulations or after certain manufacturing batches, were shipped with a volume limiter installed. Users reported that despite the speaker being 50W, it was not getting loud enough, or the volume would reset to a mid-level every time the speaker was turned on. w-king d9 firmware update

A: Yes. The D9 does not store custom EQs, but it resets the default DSP tuning to the factory baseline. Simply re-pair and adjust as needed. Once the tool confirms success, unplug the speaker