Waves L2 Ultramaximizer

What Waves L2 Ultramaximizer Is Used For

Waves L2 Ultramaximizer is a stereo limiting plugin designed to increase perceived loudness while maintaining strict peak control. It is mainly used at the end of the chain on a master bus, a stems bus (drums, instruments, vocals), or on the final master when you want a denser, "stronger," and better calibrated sound for broadcasting.

Its approach is ideal for contemporary music (pop, rock, hip-hop, electro) but remains relevant for more dynamic projects thanks to its release options and dither/noise shaping algorithms, which are very practical whenever you need to deliver in 24 bits or prepare exports in 16 bits.

Main Features

Look-ahead brickwall: precisely controlled peaks

The L2 combines look-ahead detection and brickwall limiting to catch transients quickly and avoid unwanted peaks. The result: better level stability, a reliable output ceiling, and a more "controlled" mastering feel without having to multiply tools.

A straightforward workflow for the bus: Threshold, Ceiling, Release

The L2 keeps it simple: you set the Ceiling to fix the output limit, then push the Threshold to gain level. The Release adjusts the limiting's breathing, from subtle to energetic. This simple logic speeds up decisions, especially in mastering and bus mixing.

ARC: Auto-Release Control for more musical dynamics

To avoid release times that are too aggressive or too slow depending on the sections, the ARC (Auto-Release Control) mode automatically adapts the release to dynamic variations. This is an asset for maintaining clarity on more open verses while staying solid on busier choruses.

IDR and noise shaping: clean conversions from 16 to 24 bits

Beyond limiting, the L2 includes dither and noise shaping tools designed for delivery stages. Its processing relies on 48-bit double precision mathematics and high-order noise shaping algorithms, with several intensities (Moderate, Normal, Ultra) to suit the material: delicate acoustic, dense pop, or more abrasive rock. Useful for converting high-resolution sessions to standard files without unnecessarily degrading reverb tails, fades, or subtle details.

Low latency: also useful outside mastering

Thanks to its low latency, the L2 can also be handy in tracking or live sound situations when you need to control peaks quickly while maintaining an immediate response feel.

Technical specifications

Type

Full software

Downloadable

Yes

Main controls	Threshold, Output Ceiling, Release, dither settings	Systems	macOS Catalina 10.15, Big Sur 11, Monterey 12, Ventura 13, Sonoma 14
Release mode options	Manual or ARC (automatic)	Memory	8 GB
IDR (Increased Digital Resolution)	double precision re-quantization, dithering, and noise shaping	Disk space	16 GB
Noise shaping profiles	Moderate, Normal, Ultra	Processor	Intel or Silicon architecture