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Bose QuietComfort Ultra Earbuds (2nd Gen)

Sold from 2025 – present

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Sound
Power
Setup
Microphone
Controls

If you hear excessive low frequencies from your product, the sound quality might be boomy, muffled or difficult to hear. To reduce the bass response and/or increase the treble response, try the following:

If you don't hear enough low frequency audio from your product, the sound quality might be tinny, shrill or lacking fullness. To increase the bass response or reduce the treble response, try the following:

If your product seems to be set up properly but does not produce sound, try the following:

If the sound played from your product cuts in and out, plays inconsistently or is choppy-sounding, try the following:

If the volume level heard from your product is faint or quieter than normal, try the following:

If you are experiencing noises, such as buzzing, squealing, hissing or any other unwanted sounds, please try the following:

If your product appears to be receiving power but won't power on as expected:

If you cannot start or complete an update on a Bose product or app, try the following:

If the microphone on your product does not pick up your voice or people cannot hear you talking when making phone calls with your product, try the following:

If the earbuds don’t respond to touch control, please try the following: