FabFilter Pro-Q 4 – Digital License (Windows & Mac)
- License model
- One-time purchase
- License term
- Perpetual
- Supported platform
- Windows or macOS
Please confirm the edition, operating-system compatibility, device limits, region, license model, and license term shown for this product before ordering.
Description
FabFilter Pro-Q 4 is a professional equalizer plug-in for mixing and mastering on supported Windows and macOS systems. It combines precise EQ control with dynamic and spectral processing in a fast visual workflow.
Key features
- Dynamic and spectral EQ processing.
- Natural Phase, Linear Phase, and zero-latency processing modes.
- EQ Match, spectrum analysis, and detailed band control.
- Support for common professional plug-in formats on Windows and macOS.
Ideal for
Mixing engineers, mastering engineers, producers, sound designers, and creators who need a precise and flexible EQ for corrective and creative processing.
System requirements
- Windows 7, 8, 10, or 11 with a compatible VST 2/3, CLAP, or Pro Tools host.
- macOS 10.13 or later, 64-bit, on Intel or Apple silicon.
- Compatible Audio Units, VST 2/3, CLAP, or Pro Tools host on macOS.
- Host and operating-system compatibility should be checked before installation.
Delivery time
Most eligible orders are delivered shortly after payment confirmation. Some orders may require additional review for payment verification, fraud prevention, regional verification, product verification, or a temporary technical issue and may take up to 24 hours.
If you have not received the delivery email within 24 hours after confirmed payment, check your spam, junk, and promotions folders and contact contact@essentialskeys.com with your order number.
Return policy
Items that are normally not refundable
- A key or entitlement that has been successfully redeemed, activated, or used.
- A compatible product where the customer selected an incompatible device, operating system, language, region, or edition despite clear product-page information.
- A request caused by failure to follow installation or activation instructions when support can still resolve the issue.
- A request involving fraud, abuse, resale, transfer, or unauthorized use.
These limits do not exclude remedies required by applicable consumer law for faulty, misdescribed, non-delivered, or non-conforming digital content.
How to request a refund or replacement
Email contact@essentialskeys.com or use our contact form. Include your order number, product name, reason for the request, and any relevant error message. Do not publish or send the full license key unless our support team specifically asks for a secure verification step.
Refund timing and method
Approved refunds are returned to the original payment method. We process approved refunds as promptly as reasonably possible. After the refund is processed, your bank or payment provider may take 5–10 business days to post the credit. Because our products are digital, no return shipping fee or restocking fee applies.

