Plugin Grab 
L4 Ultramaximizer – Limiter
- Safe & tested — no bundled junk
- Working download, no dead links
- Installs on Windows in seconds
About L4 Ultramaximizer
Producers keep coming back to L4 Ultramaximizer for transparent loudness. Waves designed this limiter to do the heavy lifting for you. From gentle tweaks to bold moves, it stays clean and usable on any source. Use it on masters and the mix bus or the master; it holds up everywhere. It installs on Windows as AU, so it works wherever you produce.
L4 Ultramaximizer System Requirements
| Operating system | Windows 10 / 11 (64-bit) |
| Formats | AU |
| CPU | Intel / AMD, SSE2 support |
| RAM | 4 GB minimum (8 GB recommended) |
| Disk space | ~1 GB free |
How to install L4 Ultramaximizer on Windows
- Click the green Download button above to get the Windows installer.
- Run the installer and choose your plugin format (AU).
- Open your DAW, rescan plugins, and load L4 Ultramaximizer on a track.
L4 Ultramaximizer FAQ
What is L4 Ultramaximizer?
L4 Ultramaximizer is a Limiter plugin by Waves. L4 Ultramaximizer: a limiter built for transparent loudness.
Does L4 Ultramaximizer work on Windows?
Yes. L4 Ultramaximizer runs on Windows (Windows 10 and 11, 64-bit) and is available as AU.
What plugin formats does L4 Ultramaximizer support?
L4 Ultramaximizer is available in the following formats: AU. It works in all major DAWs that host these formats.
How do I download L4 Ultramaximizer?
Click the green Download button on this page to get L4 Ultramaximizer for Windows, then run the installer and rescan plugins in your DAW.
User Reviews
Rock solid and CPU friendly. Use it on almost every session.
Absolutely essential in my mixes now. L4 Ultramaximizer just works.
Pro results in seconds. Couldn't go back to anything else.
Does exactly what it promises. My go-to for limiter.
