Acustica Audio presents Erin Studio – A legacy of mastering excellence

Erin Studio is a state-of-the-art mastering plugin suite and the natural evolution of the acclaimed Erin. Designed with precision and inspired by legendary tube-based analog systems, it includes three powerful plug-ins—two EQs (3D and Flat) and a compressor—bringing the sound of luxury mastering equipment directly into your DAW.

A legacy of mastering excellence

Erin Studio represents the evolution of the Erin suite, developed for professional mastering engineers and producers seeking uncompromising sound quality.

Built upon decades of expertise in tube-based high-end audio design, Erin Studio combines the warmth and depth of classic analog systems with the flexibility of modern digital workflows. The original hardware inspiration has been embraced by some of the most iconic artists and engineers in the industry, including Pink Floyd, Lenny Kravitz, Joe Gastwirt, James Guthrie, and Robert Ludwig.

Key Features

Three Plug-ins – Erin Studio (3D), Erin Studio Flat (2D), and Erin Comp Studio (2D).
EQ & Filters – ‘Hyper’ 5-band tube EQ with integrated high-pass and low-pass filters.
Stereo Imaging – Enhanced Spread control doubles as a monomaker, ensuring a focused and solid low-end.
Real-Time Displays – Instant visual feedback for EQ curves, filters, and compression.
Hyper Technology – Our proprietary modeling, applied across all plug-ins in the Erin Studio suite, delivers ultra-realistic analog response with reduced CPU usage and optimized efficiency.
Resizable UI – Flexible interface that adapts to any screen size and resolution.
Oversampling & Listening Modes – Selectable modes tailored for tracking, mixing, and critical listening.
Factory Presets – Professionally designed presets for quick results and creative inspiration.

Erin Studio Components

The Erin Studio suite consists of:

1) Erin Studio (3D Version)

A 5-band stereo tube EQ emulating a legendary mastering unit, now enhanced with real-time high- and low-pass filters, spread control with mono-maker, and interactive metering. Photorealistic 3D interface replicates high-end hardware.

Erin Studio GUI

2) Erin Studio Flat (2D Version)

Offers the exact same sound engine and processing capabilities as the 3D version but with a flat, modern design featuring crisp fonts and minimal color coding. Perfect for users who prefer a clean, distraction-free interface while retaining the spirit of the 3D version.

Erin Studio Flat GUI

3) Erin Comp Studio (2D Version)

A mono compressor / brickwall limiter featuring advanced improvements over the original Erin dynamics section. Optimized for mastering transparency. Includes five models for different dynamics tasks and refined Peak-RMS control.

Erin Comp Studio GUI

Erin Studio | Demo

Technical information:

• Supported formats: VST3, AAX, and AU.

• Available sample rates: 44.1, 48, 88.2, and 96 kHz.

• Compatible with Windows 10 and 11.

• Compatible with macOS 10.15 (Catalina) to macOS Sonoma (version 14.x).

• Intel, AMD, and ARM compatible.

• Native Apple Silicon support (Rosetta not supported).

Price and availability

Erin Studio introductory price*: €69 | 22% OFF until October 16, 2025 at 11:59 pm CET (reg. price €89)

Get it here!

* Already own Erin and part of our Loyal Customer Program?. You’ve got a special discount waiting.

The product is at an introductory period for the first four weeks after release or until the first official version is released; this implies that the product may receive improvements, changes, or fixes available through Aquarius Desktop updates.

Try our FREE 30-Day Trial

Note: Erin Studio's trial version includes 44.1 - 48 - 88.2 - 96 kHz sample rates.

Please remember that trials expire 30 days after authorization, and we strongly recommend not using trial products in commercial sessions or any important project.

Note: Erin – Release C016 | Erin Trial – Release H016 are now available. Erin users can update to these releases, featuring real-time resizing for faster performance and a smoother experience.

Erin Studio user's manual

Erin Studio webpage: https://www.acustica-audio.com/shop/products/ERINSTUDIO