Audio Fix / setup help

Ultimate Ears MEGABOOM 4: check the USB-C charging connection

Ultimate Ears MEGABOOM 4 — Check the USB-C charging connection. Check the documented control or configuration and record the actual result.

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

Follow these checks in Audio Fix →

When this guide applies

Exact Ultimate Ears MEGABOOM 4. Dry weather-door area and cable; no guess about unsupported fast-charger voltage. Bluetooth source context; no reset or saved-pairing deletion is prescribed.

Connection scope: Bluetooth. Symptom: My device or case won’t charge.

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 weather-door area, USB-C cable and speaker are dry and undamaged, with a suitable USB charging supply.

Look for: Choose only what you can confirm.

  • Manufacturer-documented Ultimate Ears BOOM 4 and MEGABOOM 4 Getting Started ↗Charging your speaker / checking battery — Open the weather door and use the Type-C cable to charge. Lights above the volume buttons blink while charging. Press plus and minus together to request the battery-level announcement.Exact MEGABOOM 4. The shared BOOM 4/MEGABOOM 4 article explicitly names both models. · Source checked 2026-11-09

a1

Lift the weather door

Access the protected Type-C charging connector without forcing the door.

Look for: Complete this one check and observe its actual response.

  • Manufacturer-documented Ultimate Ears BOOM 4 and MEGABOOM 4 Getting Started ↗Charging your speaker / checking battery — Open the weather door and use the Type-C cable to charge. Lights above the volume buttons blink while charging. Press plus and minus together to request the battery-level announcement.Exact MEGABOOM 4. The shared BOOM 4/MEGABOOM 4 article explicitly names both models. · Source checked 2026-11-09

a2

Connect the suitable USB-C charging cable

Use the speaker charging connector and an appropriate USB supply.

Look for: Complete this one check and observe its actual response.

  • Manufacturer-documented Ultimate Ears BOOM 4 and MEGABOOM 4 Getting Started ↗Charging your speaker / checking battery — Open the weather door and use the Type-C cable to charge. Lights above the volume buttons blink while charging. Press plus and minus together to request the battery-level announcement.Exact MEGABOOM 4. The shared BOOM 4/MEGABOOM 4 article explicitly names both models. · Source checked 2026-11-09

a3

Observe the charging lights

Look for the documented blinking lights above the volume buttons. Do not interpret a protection error as charging.

Look for: Complete this one check and observe its actual response.

  • Manufacturer-documented Ultimate Ears BOOM 4 and MEGABOOM 4 Getting Started ↗Charging your speaker / checking battery — Open the weather door and use the Type-C cable to charge. Lights above the volume buttons blink while charging. Press plus and minus together to request the battery-level announcement.Exact MEGABOOM 4. The shared BOOM 4/MEGABOOM 4 article explicitly names both models. · Source checked 2026-11-09

result

Check the actual result

Can you confirm that the documented charging indication is present?

Look for: Choose only what you can confirm.

  • Manufacturer-documented Ultimate Ears BOOM 4 and MEGABOOM 4 Getting Started ↗Charging your speaker / checking battery — Open the weather door and use the Type-C cable to charge. Lights above the volume buttons blink while charging. Press plus and minus together to request the battery-level announcement.Exact MEGABOOM 4. The shared BOOM 4/MEGABOOM 4 article explicitly names both models. · Source checked 2026-11-09

Possible result

Confirm the unknown detail first

Do not infer a setting, gesture, source version or indicator. Consult the exact model 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 last observation for support

    These checks do not identify a failed component. Record the exact source, software and last observed response for manufacturer support. Do not clear pairings or repeatedly reset the product.

    next support

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

      Possible result

      Checks completed — record the observed result

      Completion records the observation in this setup; it is not a guarantee that the original symptom is resolved. No Audio Review physical test or measured performance is claimed.

      steps completed

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

        All Audio Fix guides → · TV & Audio Finder →

        Scroll to Top