The problem of poor Bluetooth audio quality may be caused by poor bandwidth. If you have multiple devices using Bluetooth at the same time, your Bluetooth headset\headset may not have enough bandwidth.
With wired headphones, muffled sound can be caused by a poor connection to the audio in the room. The quality is especially unstable when the headphone jack is not properly connected to this audio port. For Bluetooth headphones, this is definitely due to codec incompatibility.
To fix a muffled headset sound when connected to a Windows PC 1 Check your computer’s audio enhancement settings. By default, Windows allows you to customize your computer’s sound by selecting Sound Enhancements. 2 In this case, check if there are any problems with the car audio system. 3 Set to 24-bit stereo. 4 Run the troubleshooter.
Many Windows 11 users have experienced unique Bluetooth audio issues shortly after updating their specific PCs to the latest OS version. For example, people have complained that they can’t hear sound on their Bluetooth headphones, or that their audio devices are unexpectedly disconnected when using Teams, Zoom, or other video course apps.
There seems to be a lot of issues with the new Windows 15, especially users, from audio issues to distortion and crackling to Bluetooth ringtones and generally weak audio. I will look at the reasons why music playing on your Windows 19 PC/Laptop may not always be beneficial for business.
Why do my Bluetooth headphones sound muffled Windows 10?
Select your device and right click, read “Properties”, then tick “Services” and uncheck “Hands-Free Telephony”. I fixed it like this. It works in Windows 7 and Windows 10. Mark it as the default device in the hardware control panel? to this sound? “Edit system sounds”? “Playback”.
Why do my Bluetooth headphones Sound muffled Windows 10?
Select your device, right click, open Properties, then go to the Services tab and uncheck Hands-Free Telephony. For example, I fixed it like this. It works on Windows Top and Windows 10. Mark it as the default device in “Control Panel”? “Equipment and sound”! “Edit System Sounds” “Playback”?.
Why do my Bluetooth headphones sound muffled Mac?
Because it’s macOS that blocks the lower quality CD codec. Why are Bluetooth headphones often worse when you plug them into a Mac? In short, it is an audio codec. Most modern Macs try to use most of the AAC audio codec with audio devices.
Why do my Bluetooth headphones sound muffled PC?
As Sennheiser explains, the available bandwidth for Bluetooth devices is definitely not enough. Technically, if you’re only using your headphones as an audio output device, they’ll use the A2DP Bluetooth profile and, if you’re lucky, AptX for maximum audio quality.

Ermias is a tech writer with a passion for helping people solve Windows problems. He loves to write and share his knowledge with others in the hope that they can benefit from it. He’s been writing about technology and software since he was in college, and has been an avid Microsoft fan ever since he first used Windows 95.