Audio Fix / setup help

PreSonus Quantum ES 2: release a confirmed main-output mute without changing headphone routing

PreSonus Quantum ES 2 — release a confirmed main-output mute without changing headphone routing. Confirm the actual setup and observed response before reporting an outcome.

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

Follow these checks in Audio Fix →

When this guide applies

Universal Control main Mute explicitly active; intended main playback at safe levels.

Connection scope: Device controls / power only. Symptom: There is no playback sound.

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 intended main mix metering while the monitor Mute control is visibly active?

A silent input or down fader is a different issue.

Look for: Confirm the stated setup or observation. Unknown stops safely.

  • Manufacturer-documented PreSonus Quantum ES 2 official manual ↗PDF pages 13, 14 — Monitor Mute affects the main output and not headphones. The hardware button may instead be configured as Dim, so its behaviour must be checked rather than blindly toggled.Known main Mute in the mixer, not an input mute or silent source. · Source checked 2026-11-09

step-1

Are speakers at low initial level with playback paused?

Releasing mute can immediately restore sound.

Look for: Confirm the stated setup or observation. Unknown stops safely.

  • Manufacturer-documented PreSonus Quantum ES 2 official manual ↗PDF pages 13, 14 — Monitor Mute affects the main output and not headphones. The hardware button may instead be configured as Dim, so its behaviour must be checked rather than blindly toggled.Known main Mute in the mixer, not an input mute or silent source. · Source checked 2026-11-09

step-2

Use the explicit active Main Mute control in Universal Control to unmute

Do not toggle an unknown hardware Mute/Dim state or alter headphone routing.

Look for: Perform only the stated operation and confirm whether it was possible.

  • Manufacturer-documented PreSonus Quantum ES 2 official manual ↗PDF pages 13, 14 — Monitor Mute affects the main output and not headphones. The hardware button may instead be configured as Dim, so its behaviour must be checked rather than blindly toggled.Known main Mute in the mixer, not an input mute or silent source. · Source checked 2026-11-09

step-3

Does the main output now play when the intended source resumes gently?

Input metering does not prove the external speakers or their cables work.

Look for: Confirm the stated setup or observation. Unknown stops safely.

  • Manufacturer-documented PreSonus Quantum ES 2 official manual ↗PDF pages 13, 14 — Monitor Mute affects the main output and not headphones. The hardware button may instead be configured as Dim, so its behaviour must be checked rather than blindly toggled.Known main Mute in the mixer, not an input mute or silent source. · Source checked 2026-11-09

Possible result

Checks completed — report what happened

Completion is not an automatic solved result. Report your actual outcome; no Audio Review physical test or measured repair is claimed.

steps completed

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

    Possible result

    Stop and retain the actual observations

    A required fact or response was not confirmed. Consult the exact product/partner documentation or official support. Do not escalate to a reset, update installation, internal repair or unsafe wiring change.

    next support

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

      Possible result

      A required fact is unknown

      Confirm the actual model, source, partner capability and current state before continuing. Do not guess a menu or interrupt a live session/update.

      insufficient data

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

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