AptX Adaptive bad sound quality

Please tell us some basic information before asking for help:

  1. Model Name: ASUS ROG Phone 3
  2. Firmware Version: 31.0210.0210.243
  3. Rooted or not: no
  4. Frequency of Occurrence: often
  5. APP Name & APP Version (If your issue relates to the app): ----

In addition to information above, please also provide as much details as you can, e.g., using scenario, what troubleshooting you've already done, screenshot, etc.


Hi, when using aptX Adaptive compatible TWS, randomly, sometimes after one minute of playback, sometimes longer, the quality starts degrading to the point of ending up with 1 channel mono sound that's heavily compressed.

If I switch codecs to regular aptX, SBC or AAC in developer options, the sound is perfectly okay. Also when I switch to aptX Adaptive, the Bluetooth sound - sampling frequency disappear and just display the "(default)" setting and there are nothing else options. I tried the WiFi and Bluetooth reset then restart my phone. I also tried to soft and hard reset the TWS device but nothing worked. I tried to turn off the TWS' high res audio mode too but the results are the same. I also tried different Bluetooth AVRCP and MAP-versions.

The TWS I use here is Sennheiser's Momentum True Wireless 3. I don't have any other item or phone that is aptX Adaptive compatible so can't really check on a different device.

I saw in some forums that it's not the TWS audio player device's problem but it's the phone's fault most of the time.


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