Waves L4 Ultramaximizer

Waves L4 Ultramaximizer®

Waves L4 Ultramaximizer is a transparent mastering limiter designed to increase loudness while maintaining control, clarity, and musical dynamics. It combines multiband compression, limiting, and automatic gain control in a streamlined processor for mastering, mix buses, and individual tracks.

Key Features

• Multiband limiting for controlled, transparent loudness

• Automatic gain control for consistent level management

• Independent control of threshold, release, and gain

• ARC™ Automatic Release Control for adaptive, program-dependent release

• Auto Release and manual release modes

• Four-band processing with adjustable crossover frequencies

• IDR™ bit-depth reduction and dithering

• True Peak limiting for controlled digital output levels

• Input and output metering with gain-reduction display

• Presets optimized for mastering, mixing, and individual tracks

• Designed for mastering, mix buses, vocals, drums, and full mixes

Technical Specifications

• Supports 44.1, 48, 88.2, and 96 kHz

• Formats: VST3, AU, AAX Native, AudioSuite

• Mono and stereo operation

• macOS: Sonoma 14, Sequoia 15, Tahoe 26

• Windows: Windows 10 64-bit, Windows 11

• CPU: Intel or Apple Silicon Mac; x64-compatible Intel or AMD processor on Windows

• RAM: 16 GB

• Storage: 30 GB available system-drive space

• Recommended display: 1920 × 1080

• Compatible with major professional DAWs