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Audio Pro C20 W: Check why an attached input is absent in an existing group

Audio Pro C20 W — Check why an attached input is absent in an existing group. 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 Audio Pro C20 W. Read-only diagnosis of an already configured compatible Audio Pro app group; no regrouping or partner assumption. Only normal external user controls; no mains modification, chassis opening, reset or firmware installation.

Connection scope: Wi-Fi / Ethernet network audio. Symptom: Stereo or party speaker linking 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 C20 W already in an Audio Pro app group, with the attached source playing locally but absent from other grouped speakers?

Look for: Choose only a detail you can confirm.

  • Manufacturer-documented Audio Pro C20 W user manual ↗Restreaming, PDF p7 and English note p9 — For a group created in the app, the master/first speaker restreams its chosen input to the other included speakers. C20 W must be that master to restream its connected source.Exact C20 W, not original C20. · Source checked 2026-11-09

a1

Inspect the existing group order

In the app, identify the master/first speaker of this existing group. Do not regroup or change playback.

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

  • Manufacturer-documented Audio Pro C20 W user manual ↗Restreaming, PDF p7 and English note p9 — For a group created in the app, the master/first speaker restreams its chosen input to the other included speakers. C20 W must be that master to restream its connected source.Exact C20 W, not original C20. · Source checked 2026-11-09

a2

Compare the master with the input owner

Check whether the master is this C20 W, the speaker to which that source is physically attached.

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

  • Manufacturer-documented Audio Pro C20 W user manual ↗Restreaming, PDF p7 and English note p9 — For a group created in the app, the master/first speaker restreams its chosen input to the other included speakers. C20 W must be that master to restream its connected source.Exact C20 W, not original C20. · Source checked 2026-11-09

result

Check the actual result

Is C20 W confirmed as the group master that owns the attached input?

Look for: Choose only a detail you can confirm.

  • Manufacturer-documented Audio Pro C20 W user manual ↗Restreaming, PDF p7 and English note p9 — For a group created in the app, the master/first speaker restreams its chosen input to the other included speakers. C20 W must be that master to restream its connected source.Exact C20 W, not original C20. · 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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