Audio Fix / setup help
Bose QuietComfort Ultra Headphones 2nd Gen: select the USB audio route when the headset still announces Bluetooth
Bose QuietComfort Ultra Headphones 2nd Gen — select the USB audio route when the headset still announces Bluetooth. Use the stated exact hardware and connection scope.
Manufacturer-documented Reviewed 2026-11-09 · Revision 1
Follow these checks in Audio Fix →When this guide applies
Exact Bose QuietComfort Ultra Headphones 2nd Gen. Exact QuietComfort Ultra Headphones2nd Gen is powered on and currently announces Bluetooth. Its supplied USB-C data cable is already connected directly to a compatible computer, which has positively identified and selected the Bose USB audio output. There is no AUX cable, active call or update, and you intend to leave Bluetooth playback.
Connection scope: USB audio. Symptom: There is no playback sound.
This is a documented check, not a diagnosis of your equipment. The model name does not confirm the selected input, mode, software or connected partner.
If your exact model or a required setting is unknown, use the “I don’t know” branch below. Do not apply a similarly named model’s instructions.
Checks and possible outcomes
Start at scope. Follow the link that matches what you actually observe. Alternative branches are not a single sequence of actions.
scope
Confirm the model and connection
Exact QuietComfort Ultra Headphones2nd Gen is powered on and currently announces Bluetooth. Its supplied USB-C data cable is already connected directly to a compatible computer, which has positively identified and selected the Bose USB audio output. There is no AUX cable, active call or update, and you intend to leave Bluetooth playback.
Look for: Confirm this exact setup and observation before continuing.
- If Yes, I confirm → Pause the Bluetooth programme
- If No / my setup differs → Continue with source and model support
- If I cannot confirm → More information is required
- Manufacturer-documented Bose QuietComfort Ultra Headphones 2nd Gen — official bose ultra2 wired power 25 ↗Exact 2nd Gen Owner’s Guide pp 14–16,33–34 and38 — Normal power-on is a press/release, unlike held pairing controls. AUX disables Bluetooth and earcup microphones and needs power. USB audio is supported: with USB connected, a press/release switches between Bluetooth and USB Audio voice indications.Exact Bose QuietComfort Ultra Headphones 2nd Gen. · Source checked 2026-11-09
a1
Pause the Bluetooth programme
Pause media on the currently active Bluetooth source before changing the headset input.
Look for: Observe the named indication or available control; stop if absent.
- If I completed this check → Select USB audio with the short control
- If I cannot complete this → Continue with source and model support
- If I cannot determine this → More information is required
- Manufacturer-documented Bose QuietComfort Ultra Headphones 2nd Gen — official bose ultra2 wired power 25 ↗Exact 2nd Gen Owner’s Guide pp 14–16,33–34 and38 — Normal power-on is a press/release, unlike held pairing controls. AUX disables Bluetooth and earcup microphones and needs power. USB audio is supported: with USB connected, a press/release switches between Bluetooth and USB Audio voice indications.Exact Bose QuietComfort Ultra Headphones 2nd Gen. · Source checked 2026-11-09
a2
Select USB audio with the short control
With the USB data connection already in place and the headset on, press and release Bluetooth/Power once. Expect the specific USB Audio voice indication; do not keep toggling if it differs.
Look for: Observe the named indication or available control; stop if absent.
- If I completed this check → Play the computer’s selected output quietly
- If I cannot complete this → Continue with source and model support
- If I cannot determine this → More information is required
- Manufacturer-documented Bose QuietComfort Ultra Headphones 2nd Gen — official bose ultra2 wired power 25 ↗Exact 2nd Gen Owner’s Guide pp 14–16,33–34 and38 — Normal power-on is a press/release, unlike held pairing controls. AUX disables Bluetooth and earcup microphones and needs power. USB audio is supported: with USB connected, a press/release switches between Bluetooth and USB Audio voice indications.Exact Bose QuietComfort Ultra Headphones 2nd Gen. · Source checked 2026-11-09
a3
Play the computer’s selected output quietly
Start familiar material on the computer’s already selected Bose USB audio output at a comfortable low level.
Look for: Observe the named indication or available control; stop if absent.
- If I completed this check → Check the result
- If I cannot complete this → Continue with source and model support
- If I cannot determine this → More information is required
- Manufacturer-documented Bose QuietComfort Ultra Headphones 2nd Gen — official bose ultra2 wired power 25 ↗Exact 2nd Gen Owner’s Guide pp 14–16,33–34 and38 — Normal power-on is a press/release, unlike held pairing controls. AUX disables Bluetooth and earcup microphones and needs power. USB audio is supported: with USB connected, a press/release switches between Bluetooth and USB Audio voice indications.Exact Bose QuietComfort Ultra Headphones 2nd Gen. · Source checked 2026-11-09
observe
Check the result
After the USB Audio indication, is the computer’s quiet programme audible?
Look for: Confirm this exact setup and observation before continuing.
- If Yes, I confirm → Checks completed
- If No / my setup differs → Continue with source and model support
- If I cannot confirm → More information is required
- Manufacturer-documented Bose QuietComfort Ultra Headphones 2nd Gen — official bose ultra2 wired power 25 ↗Exact 2nd Gen Owner’s Guide pp 14–16,33–34 and38 — Normal power-on is a press/release, unlike held pairing controls. AUX disables Bluetooth and earcup microphones and needs power. USB audio is supported: with USB connected, a press/release switches between Bluetooth and USB Audio voice indications.Exact Bose QuietComfort Ultra Headphones 2nd Gen. · Source checked 2026-11-09
Possible result
More information is required
An unknown state is not a diagnosis. Record the last visible indication and consult the exact model instructions.
insufficient data
Reaching this result does not mean the issue is solved. Only your own feedback can report improvement.
Possible result
Continue with source and model support
Keep the source, connection and last observation. Do not reset, open equipment or change full-scale output to compensate for an unconfirmed result.
next support
Reaching this result does not mean the issue is solved. Only your own feedback can report improvement.
Possible result
Checks completed
The requested observation was confirmed in this setup. It does not establish a hardware repair or guarantee another source behaves the same.
steps completed
Reaching this result does not mean the issue is solved. Only your own feedback can report improvement.