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Focal Bathys: compare codec-related Bluetooth noise

Focal Bathys — Compare codec-related Bluetooth noise. 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 Focal Bathys with a Bluetooth source. Bluetooth noise is present while aptX Adaptive is active; Focal suggests another codec for affected source implementations. No radio cause is diagnosed. Reversible checks only; no factory reset or pairing-list deletion.

Connection scope: Bluetooth. Symptom: Audio keeps cutting out.

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

Bluetooth noise is present while aptX Adaptive is active; Focal suggests another codec for affected source implementations. No radio cause is diagnosed.

Look for: Confirm this setup before changing anything.

  • Manufacturer-documented Focal Bathys official instructions ↗Official model FAQ: app, ANC, charging, calls and Bluetooth; multipoint and saved pairings — Model FAQ documents app access in Bluetooth mode, Silent/Soft/Transparent modes, pad/microphone checks, charging power and multifunction call button. Bathys supports two simultaneous Bluetooth connections with one playing source; it remembers eight pairings and the ninth replaces the oldest.Exact Focal Bathys. Exact Focal Bathys. No Dynamic EQ availability, new firmware default or USB call support is inferred. · Source checked 2026-11-09

a1

Inspect the active source codec

Use the source codec information, if available, to confirm whether aptX Adaptive is active.

Look for: Observe the stated control or indication.

  • Manufacturer-documented Focal Bathys official instructions ↗Official model FAQ: app, ANC, charging, calls and Bluetooth; multipoint and saved pairings — Model FAQ documents app access in Bluetooth mode, Silent/Soft/Transparent modes, pad/microphone checks, charging power and multifunction call button. Bathys supports two simultaneous Bluetooth connections with one playing source; it remembers eight pairings and the ninth replaces the oldest.Exact Focal Bathys. Exact Focal Bathys. No Dynamic EQ availability, new firmware default or USB call support is inferred. · Source checked 2026-11-09

a2

Select another supported codec

If the source allows it, choose another codec jointly supported by Bathys and the source; do not assume every source permits manual selection.

Look for: Observe the stated control or indication.

  • Manufacturer-documented Focal Bathys official instructions ↗Official model FAQ: app, ANC, charging, calls and Bluetooth; multipoint and saved pairings — Model FAQ documents app access in Bluetooth mode, Silent/Soft/Transparent modes, pad/microphone checks, charging power and multifunction call button. Bathys supports two simultaneous Bluetooth connections with one playing source; it remembers eight pairings and the ninth replaces the oldest.Exact Focal Bathys. Exact Focal Bathys. No Dynamic EQ availability, new firmware default or USB call support is inferred. · Source checked 2026-11-09

a3

Replay the same audio

Compare the same material at a comfortable level.

Look for: Observe the stated control or indication.

  • Manufacturer-documented Focal Bathys official instructions ↗Official model FAQ: app, ANC, charging, calls and Bluetooth; multipoint and saved pairings — Model FAQ documents app access in Bluetooth mode, Silent/Soft/Transparent modes, pad/microphone checks, charging power and multifunction call button. Bathys supports two simultaneous Bluetooth connections with one playing source; it remembers eight pairings and the ninth replaces the oldest.Exact Focal Bathys. Exact Focal Bathys. No Dynamic EQ availability, new firmware default or USB call support is inferred. · Source checked 2026-11-09

observe

Check the result

Is the previously heard noise absent with the alternative?

Look for: Report the observation; completing steps does not establish a repair.

  • Manufacturer-documented Focal Bathys official instructions ↗Official model FAQ: app, ANC, charging, calls and Bluetooth; multipoint and saved pairings — Model FAQ documents app access in Bluetooth mode, Silent/Soft/Transparent modes, pad/microphone checks, charging power and multifunction call button. Bathys supports two simultaneous Bluetooth connections with one playing source; it remembers eight pairings and the ninth replaces the oldest.Exact Focal Bathys. Exact Focal Bathys. No Dynamic EQ availability, new firmware default or USB call support is inferred. · 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.

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