Audio Fix / setup help
Sennheiser Accentum Plus: check phone call output selection
Sennheiser Accentum Plus — Check phone call output selection. Follow the exact-model instructions and confirm the result.
Manufacturer-documented Reviewed 2026-11-09 · Revision 1
Follow these checks in Audio Fix →When this guide applies
Exact Sennheiser Accentum Plus with a Bluetooth source. The phone is paired and connected. This checks incoming call audio, not microphone muting. Reversible checks only; no factory reset or pairing-list deletion.
Connection scope: Bluetooth. Symptom: Sound changes during calls.
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 setup
The phone is paired and connected. This checks incoming call audio, not microphone muting.
Look for: Confirm this setup before changing anything.
- If This describes my setup → Place the call
- If My setup differs → Use model and source support
- If I do not know / cannot check → More information is needed
- Manufacturer-documented Sennheiser Accentum Plus official instructions ↗08/25 A02: charging pp.11–12; Smart Control p.16; volume/music/ANC/calls pp.19–27 — Charging, touch controls, app settings, call output/mute and wearing detection are documented for ACPAEBT.Exact Sennheiser Accentum Plus. Not base ACCENTUM. Reset durations conflict in older HTML, so reset procedures are excluded. · Source checked 2026-11-09
a1
Place the call
Start the intended call on the connected phone.
Look for: Observe the stated control or indication.
- If I completed this check → Choose headphone call output
- If I could not complete it → Use model and source support
- If I do not know / cannot check → More information is needed
- Manufacturer-documented Sennheiser Accentum Plus official instructions ↗08/25 A02: charging pp.11–12; Smart Control p.16; volume/music/ANC/calls pp.19–27 — Charging, touch controls, app settings, call output/mute and wearing detection are documented for ACPAEBT.Exact Sennheiser Accentum Plus. Not base ACCENTUM. Reset durations conflict in older HTML, so reset procedures are excluded. · Source checked 2026-11-09
a2
Choose headphone call output
If call sound stayed on the phone, select ACCENTUM Plus as its audio output.
Look for: Observe the stated control or indication.
- If I completed this check → Check speech level
- If I could not complete it → Use model and source support
- If I do not know / cannot check → More information is needed
- Manufacturer-documented Sennheiser Accentum Plus official instructions ↗08/25 A02: charging pp.11–12; Smart Control p.16; volume/music/ANC/calls pp.19–27 — Charging, touch controls, app settings, call output/mute and wearing detection are documented for ACPAEBT.Exact Sennheiser Accentum Plus. Not base ACCENTUM. Reset durations conflict in older HTML, so reset procedures are excluded. · Source checked 2026-11-09
a3
Check speech level
Adjust call volume gently using a short vertical swipe.
Look for: Observe the stated control or indication.
- If I completed this check → Check the result
- If I could not complete it → Use model and source support
- If I do not know / cannot check → More information is needed
- Manufacturer-documented Sennheiser Accentum Plus official instructions ↗08/25 A02: charging pp.11–12; Smart Control p.16; volume/music/ANC/calls pp.19–27 — Charging, touch controls, app settings, call output/mute and wearing detection are documented for ACPAEBT.Exact Sennheiser Accentum Plus. Not base ACCENTUM. Reset durations conflict in older HTML, so reset procedures are excluded. · Source checked 2026-11-09
observe
Check the result
Can you hear the other participant in the headphones?
Look for: Report the observation; completing steps does not establish a repair.
- If The expected result is present → Checks completed
- If The problem remains → Use model and source support
- If I do not know / cannot check → More information is needed
- Manufacturer-documented Sennheiser Accentum Plus official instructions ↗08/25 A02: charging pp.11–12; Smart Control p.16; volume/music/ANC/calls pp.19–27 — Charging, touch controls, app settings, call output/mute and wearing detection are documented for ACPAEBT.Exact Sennheiser Accentum Plus. Not base ACCENTUM. Reset durations conflict in older HTML, so reset procedures are excluded. · Source checked 2026-11-09
Possible result
More information is needed
No diagnosis follows from an unknown answer. Record the last visible indication and consult the exact-model instructions or support.
insufficient data
Reaching this result does not mean the issue is solved. Only your own feedback can report improvement.
Possible result
Use model and source support
Keep the symptom and last observed step. Do not clear pairings or reset settings on the basis of this guide.
next support
Reaching this result does not mean the issue is solved. Only your own feedback can report improvement.
Possible result
Checks completed
You confirmed the requested observation in this setup. This is not a laboratory test or a promise about other apps and sources.
steps completed
Reaching this result does not mean the issue is solved. Only your own feedback can report improvement.