The ultimate reference to your mix
L4Fontane AB Reference Pro is a high-performance signal comparison utility designed to eliminate guesswork and ear fatigue in your mixing and mastering sessions. Powered by a transparent, intelligent routing engine, it allows you to switch instantly between your current mix and your favorite reference tracks with surgical precision.
Unlike common comparison tools, L4Fontane AB Reference Pro preserves audio integrity while offering advanced monitoring features that ensure your decisions are based on reality, not just loudness. Whether you are fine-tuning the tonal balance of a drum bus or finalizing the loudness of a master, this plugin is the definitive bridge between your current sound and industry standards. Transform your sonic perception and make confident decisions in seconds!
teaser video
Watch the quick teaser video to see the bundle features
POWERFULL TOOLS AND MODE
EXPANDED MODE (DEFAULT)
The complete command center. Your default window with 4 easily accessible reference monitoring buttons, ideal for starting your session.
COMPACT MODE
When screen real estate is at a premium, Compact Mode takes the stage. A minimalist interface with just 6 strategic buttons (4 references + 1 return button + bypass), keeping you focused on what matters: the music
SPECIALIST MODE: LABORATORY PRECISION (PRO EXCLUSIVE)
The Ace card for those who accept nothing less than tonal perfection. Specialist Mode offers deep analysis tools to uncover every secret of your reference track.
Surgical Band Splitting: Take control with 6 high-fidelity band filters (Low, Low-Mid, Mid, High-Mid, High, and Ultra-High) to dissect the frequency spectrum.
Focused Listening: Solo individual bands or combine multiple filters to hear exactly what is happening in specific regions.
Advanced Monitoring: Dedicated solo buttons for L, R, Mid, and Side, allowing you to analyze the stereo soundstage with maximum depth.
Crossover Adjustment: Integrated Crossfade function to smoothly adjust the cutoff point between band filters, ensuring a natural transition.
Visual Reference: High-resolution spectrum analyzer for instant visual validation of what your ears are perceiving.
SENDER MODE
The secret to an agile workflow lies in connectivity. Sender Mode is a dedicated routing window that transforms the way you organize your references.
Instant Integration: Simply open an instance of the plugin on the track you want to reference and activate Sender Mode.
Intelligent Assignment: With a single click on the corresponding buttons (such as Button B), the signal is sent directly to the main plugin instance.
product Specifications
Professional Metering & Stereo Analysis
Real-World Data Integration: Gain full confidence that your mix will translate perfectly across all playback systems using industry-standard metering.
Loudness Under Control: Equipped with high-precision RMS and LUFS meters, allowing you to match the perceived loudness between your mix and your reference tracks for an unbiased A/B comparison.
Stereo Imaging & Phase Safety: Features a real-time Stereo Correlation Meter to instantly identify phase issues, ensuring your production remains 100% mono-compatible and wide on the soundstage.
Compatibility & Formats
Windows:
Format: VST3 (64-bit).
OS: Windows 10 or 11.
macOS:
Format: Audio Unit (AU) and VST3 (64-bit).
Architecture: Universal Binary (Intel and Apple Silicon M1/M2/M3 native support).
OS: macOS 10.13 or higher.
Pro Tools:
Format: AAX compatible via external hosts/wrappers (e.g., Blue Cat’s PatchWork or Metaplugin).
