Audio Fix / setup help

KEF LSX II LT: disconnect one active Bluetooth source before another

KEF LSX II LT: disconnect one active Bluetooth source before another. Observe the actual response before reporting an outcome.

Manufacturer-documented Reviewed 2026-11-09 · Revision 1

Follow these checks in Audio Fix →

When this guide applies

Two intended sources already paired to this exact speaker pair.

Connection scope: Bluetooth. Symptom: Switching between devices isn’t working.

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 step-0. Follow the link that matches what you actually observe. Alternative branches are not a single sequence of actions.

step-0

Is the destination source already paired?

Do not confuse another KEF pair with the currently selected speakers.

Look for: Confirm the stated prerequisite or observation; unknown is not a fault diagnosis.

  • Manufacturer-documented KEF LSX II LT official user manual ↗Sections9,13.6–13.8 — Initial local-network setup precedes Bluetooth. Pulsing blue is discovery; short rear Bluetooth-pair press disconnects current source. App controls Bluetooth transport; remote controls source/level. Speaker Preferences controls idle standby and second wake-up availability.Exact KEF LSX II LT; LT USB-C interspeaker wiring is not borrowed from non-LT wireless linking. · Source checked 2026-11-09

step-1

Do you accept interruption of the current Bluetooth audio?

The next short rear-button press disconnects the current source; no pairing deletion is intended.

Look for: Confirm the stated prerequisite or observation; unknown is not a fault diagnosis.

  • Manufacturer-documented KEF LSX II LT official user manual ↗Sections9,13.6–13.8 — Initial local-network setup precedes Bluetooth. Pulsing blue is discovery; short rear Bluetooth-pair press disconnects current source. App controls Bluetooth transport; remote controls source/level. Speaker Preferences controls idle standby and second wake-up availability.Exact KEF LSX II LT; LT USB-C interspeaker wiring is not borrowed from non-LT wireless linking. · Source checked 2026-11-09

step-2

Briefly press the Primary Bluetooth-pair button

Use rear BP once; discovery becomes available. Do not hold or press Reset.

Look for: Perform only the stated check, then confirm whether it could be completed.

  • Manufacturer-documented KEF LSX II LT official user manual ↗Sections9,13.6–13.8 — Initial local-network setup precedes Bluetooth. Pulsing blue is discovery; short rear Bluetooth-pair press disconnects current source. App controls Bluetooth transport; remote controls source/level. Speaker Preferences controls idle standby and second wake-up availability.Exact KEF LSX II LT; LT USB-C interspeaker wiring is not borrowed from non-LT wireless linking. · Source checked 2026-11-09

step-3

Does the intended second source connect and play?

Choose the exact pair from its Bluetooth list. Selecting Bluetooth may otherwise reconnect the last source automatically.

Look for: Confirm the stated prerequisite or observation; unknown is not a fault diagnosis.

  • Manufacturer-documented KEF LSX II LT official user manual ↗Sections9,13.6–13.8 — Initial local-network setup precedes Bluetooth. Pulsing blue is discovery; short rear Bluetooth-pair press disconnects current source. App controls Bluetooth transport; remote controls source/level. Speaker Preferences controls idle standby and second wake-up availability.Exact KEF LSX II LT; LT USB-C interspeaker wiring is not borrowed from non-LT wireless linking. · Source checked 2026-11-09

Possible result

Checks completed — report your outcome

Completion does not automatically mean solved. Report what actually happened: solved, partly helped, did not help or could not follow. No Audio Review physical test is claimed.

steps completed

Reaching this result does not mean the issue is solved. Only your own feedback can report improvement.

    Possible result

    Keep the observation for manufacturer support

    These steps did not establish a working setup. Keep the exact model, source, software and last observed response for support. No hardware or firmware defect is diagnosed.

    next support

    Reaching this result does not mean the issue is solved. Only your own feedback can report improvement.

      Possible result

      A required observation is unknown

      Confirm the exact model and linked instructions before continuing. Do not guess the state of a control, connection or update.

      insufficient data

      Reaching this result does not mean the issue is solved. Only your own feedback can report improvement.

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