Having trouble with the equalizer, a configuration question, or need help setting up Peace? We're here to help — fill in the form below and we'll get back to you.
In case of any issues with Equalizer APO or any technical problem related to it and its related products, please use the form on this page. For quicker answers, the resources below cover the most common scenarios.
The majority of setup problems — no audio effect, wrong device selected, equalizer inactive after a Windows update — are fully explained in the step-by-step installation guide on the home page. It covers device selection, the mandatory reboot, the Configurator, and verifying the equalizer is active. If you haven't read through it yet, that's the fastest path to a fix.
The FAQ page answers the most common questions about Equalizer APO — including why the equalizer might not be affecting audio, how to handle Windows updates that reset the APO, VST plugin loading problems, Bluetooth compatibility on Windows 11, and much more. It's organised by category so you can jump straight to the relevant section.
If your question is specifically about the Peace graphical interface — installation order, the preset list, AutoEQ headphone profiles, the effects panel, or the Commands window — visit the Peace Equalizer page for a dedicated guide. Peace and the core equalizer apo are separate projects with their own quirks, and the Peace page addresses each one.
If the equalizer was working and stopped after a driver update or Windows upgrade, re-open the Equalizer APO Configurator from the Start Menu, uncheck then re-check your audio device, click OK, and restart your computer. This single step resolves roughly eight in ten "stopped working" reports we receive. The Configurator also has a Troubleshooting checkbox that exposes alternative APO registration methods worth trying if the default setup doesn't hold.
We've got your message and will respond as soon as possible. For urgent setup issues, the FAQ page and the troubleshooting section on the home page often provide an immediate answer while you wait.
These four questions account for a large share of the messages we receive. Check whether your issue is covered here first.
The more detail you include when you write in, the faster we can help. Vague messages like "it doesn't work" take several back-and-forth exchanges to resolve because we can't diagnose a problem we can't see. A good support message tells us your Windows version (Win 10 or Win 11 makes a difference for Bluetooth issues in particular), the version of Equalizer APO you're running (check the Configuration Editor's title bar or Help → About), the make and model of your audio device, and a description of exactly what you've already tried. If you're getting an error message, copy it verbatim — don't paraphrase. The exact wording usually points directly to the cause.
For equalizer apo configuration questions — building filter chains, setting up device-specific profiles, convolution filters, VST plugin loading — screenshots of the Configuration Editor are invaluable. Describe which filters you've added, what values you've set, and what you're hearing (or not hearing) as a result. Configuration problems are often caused by a module being in the wrong position in the chain, a Device filter targeting the wrong endpoint, or a filter value that seems correct but is actually clipping the signal. Knowing what you see in the editor lets us spot these issues immediately.
If your question involves Peace, mention which version of Peace you're running (check the title bar of the Peace window or its About dialog), whether you installed it before or after confirming Equalizer APO was working, and whether the Configuration Editor shows any processing occurring when Peace is active. Peace and the core apo equalizer are separate projects that interact through shared config files — most Peace issues trace back to the underlying equalizer, but some are specific to how Peace writes its configuration, so knowing the version and install sequence helps narrow it down quickly.
A note on Bluetooth: if you're using Bluetooth headphones or speakers on Windows 11 and the apo equalizer isn't processing the audio, the first step is upgrading to version 1.4.2 if you haven't already. That release specifically addresses a known issue where GraphicEQ and Convolution commands silently failed on Bluetooth devices. If you're already on 1.4.2 and still experiencing the issue, the Troubleshooting options in the Configurator — specifically the "Install as SFX/MFX" option — tend to resolve persistent Bluetooth processing failures more reliably than the default registration method.
For users who've tried everything and are still stuck, mentioning what you've already attempted saves us from suggesting the same things again. If you've re-run the Configurator, tried different "Install as" options, rebooted multiple times, and reinstalled the equalizer, say so. That moves the diagnosis forward faster and gets you to a working setup sooner. We're genuinely glad to help with Equalizer APO setups at any level of complexity — the form above is there specifically for that.
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