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Poor sound quality from product | QuietComfort® 35 wireless headphones
Determine if the problem is specifically related to bass performance.
If there is too little bass, see Too little bass or too much treble from product.
If there is too much bass, see Too much bass or too little treble from product.
Do you hear static or distorted audio while in noisy environments?
In very loud settings—such as airplane takeoffs, concerts, emergency sirens, or construction zones—your headphones' noise-cancelling microphones can become overwhelmed, which may cause brief crackling or distortion. This can happen even in Quiet or Aware mode.
It’s similar to when someone talks too loudly into a phone—the sound gets distorted until they lower their voice. Your headphones react in the same way to intense external noise.
This is normal and doesn’t damage the product. To reduce it, try moving away from the loud source when possible. For example, on a plane, sitting farther from the engines can help.
Reset your product.
Much like rebooting a smartphone, your product might need to be reset on occasion to correct minor issues. For more information, see Resetting your product.
Try a different app.
If the issue only occurs with a particular app, it is likely related to the app or app settings.
Reboot the Bluetooth® device.
Electronics, such as cell phones, tablets or computers, might need to be reset on occasion to correct minor issues. This is typically done by shutting down the device, then powering it on again.
Check the EQ settings on your Bluetooth® device.
The EQ settings of your Bluetooth device can affect sound. On the device, try setting the EQ to "off" or "flat" and disabling any other sound playback adjustments (i.e. loudness, compression, reverb, etc.). These settings are commonly found in the device's audio settings or in the settings of the app being used to play audio.
If connecting to a Windows computer via Bluetooth®, be sure the Stereo audio profile is selected.
On your Windows computer, click the speaker icon In the lower-right to view the volume slider. Click the ^ above the volume slider to view a list of available audio devices. (Tip: If your Bluetooth product is not connected, the ^ may not appear.) Your product will appear twice: once with Stereo or A2DP next to it and once with Hands-Free or HSP next to it. For full-range audio quality, select the Stereo listing.
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