Lenovo ThinkPad T14s Gen 6 AMD Ryzen 7 PRO 8840U Bluetooth Audio Cutting Out Fix

LENOVO · THINKPAD T14S GEN 6 AMD · RYZEN 7 PRO 8840U

Bluetooth Audio Cutting Out Fix

Bluetooth audio cutting out on the Lenovo ThinkPad T14s Gen 6 AMD means wireless headphones or earbuds drop connection intermittently, producing audio stuttering, brief silences, or crackling sounds during playback. The ThinkPad T14s Gen 6 AMD uses the AMD RZ616 Wi-Fi 6E and Bluetooth 5.3 combo card for wireless connectivity. Bluetooth audio cutting out is caused by radio frequency interference between Wi-Fi 6 and Bluetooth co-existence on the same RZ616 combo chipset, Wi-Fi and Bluetooth antenna sharing conflicts, or the Bluetooth audio codec negotiating at too high a bitrate for the RF environment.

Wireless chipset

AMD RZ616

Bluetooth version

Bluetooth 5.3

Wi-Fi standard

Wi-Fi 6E

Lenovo ThinkPad T14s Gen 6 AMD Bluetooth audio cutting out AMD RZ616 Wi-Fi 2.4GHz co-existence fix
1

Switch Wi-Fi to 5GHz or 6GHz band

The Bluetooth 5.3 radio uses the 2.4GHz band which overlaps with the Wi-Fi 2.4GHz channels. When the ThinkPad T14s Gen 6 AMD connects to a 2.4GHz Wi-Fi network, Wi-Fi data transmission interferes with Bluetooth audio packets on the RZ616 combo chipset, causing Bluetooth audio cutting out. Connect the ThinkPad T14s Gen 6 to the 5GHz or 6GHz Wi-Fi band on your router to eliminate 2.4GHz co-channel interference between Wi-Fi and Bluetooth on the AMD RZ616. The 6GHz band available on Wi-Fi 6E routers provides the cleanest separation from the Bluetooth 2.4GHz band.

2

Update AMD RZ616 Bluetooth Driver

Download the AMD Bluetooth driver for the Lenovo ThinkPad T14s Gen 6 AMD from Lenovo Support. The Lenovo-certified AMD RZ616 Bluetooth driver includes co-existence firmware for the AMD RZ616 combo chipset that manages time-division multiplexing between Wi-Fi and Bluetooth on the shared 2.4GHz antenna. An outdated co-existence firmware allows Wi-Fi transmissions to overwrite Bluetooth audio ACL packet time slots, causing audio gaps. The updated driver improves the TDM scheduling to protect Bluetooth audio ACL packets from Wi-Fi interference on the ThinkPad T14s Gen 6 AMD.

Lenovo Support AMD RZ616 Bluetooth driver co-existence firmware 5GHz Wi-Fi ThinkPad T14s Gen 6 fix

Per Azlan Nazri, product manager using Lenovo ThinkPad T14s Gen 6 AMD Ryzen 7 PRO 8840U with Bluetooth headphones during long calls: “Bluetooth headphones cut out every 30 seconds on the ThinkPad T14s Gen 6. Switched the Wi-Fi from the 2.4GHz SSID to the 5GHz SSID on the same router. Bluetooth audio became completely stable immediately. The 2.4GHz Wi-Fi was competing with the Bluetooth on the AMD RZ616 combo chipset and causing the audio dropouts.”

3

Disable Bluetooth Audio Enhancements

Right-click the speaker icon → Sound settings → More sound settings. On the Playback tab, select the Bluetooth headphones → Properties → Enhancements tab → check Disable all enhancements. Audio processing enhancements add latency to the Bluetooth audio pipeline and can cause buffer overflow dropouts when the Bluetooth link has marginal quality. Disabling enhancements reduces the audio pipeline processing delay, making the connection more tolerant of intermittent Bluetooth packet retransmissions on the ThinkPad T14s Gen 6 AMD.

Frequently Asked Questions

Why does Bluetooth audio cut out on Lenovo ThinkPad T14s Gen 6 AMD?

Wi-Fi 2.4GHz band interference with Bluetooth on the AMD RZ616 combo chipset, outdated AMD RZ616 co-existence firmware, or Windows Bluetooth audio enhancement causing buffer issues. Switch Wi-Fi to 5GHz or 6GHz, update AMD Bluetooth driver from Lenovo Support, disable Bluetooth audio enhancements, and update BIOS for AMD RZ616 co-existence firmware improvements on the Ryzen 7 PRO 8840U Hawk Point platform.

Does Lenovo ThinkPad T14s Gen 6 AMD support aptX or LDAC Bluetooth audio?

The ThinkPad T14s Gen 6 AMD supports Bluetooth 5.3 with Advanced Audio Distribution Profile (A2DP) which enables high-quality stereo audio streaming. Windows 11 natively supports aptX and aptX Adaptive codecs via the Windows Bluetooth Audio stack in Windows 11 24H2 and later. LDAC support requires a third-party Bluetooth audio driver. For the best Bluetooth audio quality on the ThinkPad T14s Gen 6 AMD, use headphones that support aptX or aptX HD and pair them with the AMD RZ616 Bluetooth 5.3 adapter.

Can I use Bluetooth and Wi-Fi simultaneously on ThinkPad T14s Gen 6 AMD?

Yes. The AMD RZ616 uses Wi-Fi/Bluetooth co-existence firmware to share the 2.4GHz antenna time between Wi-Fi and Bluetooth using time-division multiplexing. However, simultaneous 2.4GHz Wi-Fi and Bluetooth audio causes RF contention on the shared antenna. Connecting to 5GHz Wi-Fi eliminates this contention and allows Bluetooth audio and Wi-Fi data to operate simultaneously without mutual interference on the ThinkPad T14s Gen 6 AMD.

Why does Bluetooth audio cut out only during downloads on ThinkPad T14s Gen 6 AMD?

Large file downloads increase Wi-Fi 2.4GHz transmission frequency and duration, which directly competes with Bluetooth 2.4GHz audio packets during the download period. The AMD RZ616 co-existence algorithm grants Wi-Fi higher priority during bursts, allowing Wi-Fi data packets to preempt Bluetooth audio ACL packets. Switch the Wi-Fi to 5GHz to move Wi-Fi traffic off the shared 2.4GHz band and allow Bluetooth audio to transmit unimpeded during downloads.

Conclusion

Bluetooth audio cutting out on the Lenovo ThinkPad T14s Gen 6 AMD Ryzen 7 PRO 8840U is fixed by switching Wi-Fi from 2.4GHz to 5GHz or 6GHz band to eliminate co-channel interference on the AMD RZ616 combo chipset, updating the AMD RZ616 Bluetooth driver from Lenovo Support for improved co-existence TDM firmware, and disabling Windows Bluetooth audio enhancements to reduce pipeline latency. Switching Wi-Fi to 5GHz is the fastest fix and immediately resolves the most common cause of Bluetooth audio dropouts on the ThinkPad T14s Gen 6 AMD.

Lenovo ThinkPad T14s Gen 6 AMD Bluetooth audio enhancement disable RZ616 BIOS aptX A2DP fix
About the Author
Ryan holds a Computer Science degree and has over 20 years of hands-on experience with PC hardware, software, and driver troubleshooting. He is the author behind softwaredriverdownload.com, where he helps everyday users fix driver issues quickly and accurately. Ryan has personally tested most of the fixes on this site across a range of Windows 10 and Windows 11 machines.

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