Audio Fix / setup help

Arcam A25: Stop an unwanted automatic Bluetooth input takeover

Arcam A25 — Stop an unwanted automatic Bluetooth input takeover. Follow the exact documented route and keep the actual result.

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

Follow these checks in Audio Fix →

When this guide applies

Exact Arcam A25. Only when BT Auto Switch is confirmed On and the user wants manual source selection. Only normal external user controls; no mains modification, chassis opening, reset or firmware installation.

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

scope

Confirm the exact setup

Is BT Auto Switch currently On, and do you want to prevent Bluetooth playback automatically taking over another selected input?

Look for: Choose only a detail you can confirm.

  • Manufacturer-documented ARCAM A5/A15/A25 English Owner’s Manual ↗Bluetooth operation, PDF p8; Bluetooth Settings, PDF p10 — Bluetooth sources pair to the amplifier name with unique six-digit ID; five records are retained and a sixth replaces the oldest. BT Auto Switch can select Bluetooth when connected-device playback starts.Original ARCAM A25; not the later + model. · Source checked 2026-11-09

a1

Open Bluetooth Settings

Open Settings and enter Bluetooth Settings.

Look for: Perform this one check and observe the actual response.

  • Manufacturer-documented ARCAM A5/A15/A25 English Owner’s Manual ↗Bluetooth operation, PDF p8; Bluetooth Settings, PDF p10 — Bluetooth sources pair to the amplifier name with unique six-digit ID; five records are retained and a sixth replaces the oldest. BT Auto Switch can select Bluetooth when connected-device playback starts.Original ARCAM A25; not the later + model. · Source checked 2026-11-09

a2

Turn off the known enabled auto-switch option

Set BT Auto Switch to Off. This changes automatic source selection; it does not erase pairing records or disable Bluetooth pairing.

Look for: Perform this one check and observe the actual response.

  • Manufacturer-documented ARCAM A5/A15/A25 English Owner’s Manual ↗Bluetooth operation, PDF p8; Bluetooth Settings, PDF p10 — Bluetooth sources pair to the amplifier name with unique six-digit ID; five records are retained and a sixth replaces the oldest. BT Auto Switch can select Bluetooth when connected-device playback starts.Original ARCAM A25; not the later + model. · Source checked 2026-11-09

result

Check the actual result

When you intentionally start the connected Bluetooth source, does the amplifier now retain the other selected input?

Look for: Choose only a detail you can confirm.

  • Manufacturer-documented ARCAM A5/A15/A25 English Owner’s Manual ↗Bluetooth operation, PDF p8; Bluetooth Settings, PDF p10 — Bluetooth sources pair to the amplifier name with unique six-digit ID; five records are retained and a sixth replaces the oldest. BT Auto Switch can select Bluetooth when connected-device playback starts.Original ARCAM A25; not the later + model. · Source checked 2026-11-09

Possible result

Confirm the unknown detail first

Do not infer a source setting, installed cartridge, connector role, software state or partner capability. Obtain the exact documentation before continuing.

insufficient data

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

    Possible result

    Keep the actual observation for support

    Record the exact model, source, input and last observed response. These checks do not diagnose a failed component. No reset, service work or blind update is prescribed.

    next support

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

      Possible result

      Checks completed — keep the observed result

      This records the observation in this particular setup, not a guaranteed cure, physical Audio Review test or measurement.

      steps completed

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

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