Aurora DSP’s guitar/bass front-end boost and overdrive plugin “GRIM3” is currently available for free! In this article we cover the giveaway details and an overview of GRIM3.
1. What Is Aurora DSP “GRIM3”?
GRIM3 is a boost/overdrive plugin you place before an amp or amp simulator to make guitar and bass tones tight and aggressive. It is a plugin model of the “GRIM3” overdrive pedal by This Heavy Earth, and rather than being a standalone distortion, it focuses on tightening the input stage (front end) of an amp to keep modern high-gain tones tight. It handles everything from a transparent clean boost, to a tone-warming boost, to saturated overdrive, tightening up palm-muted chugs for an aggressive guitar and bass sound.
Key Features
- A boost/overdrive plugin used in front of an amp or amp simulator (from clean boost to saturated drive)
- Tight: a pre-gain low-end control that cuts the lows before the gain stage to tighten the input
- Low / High: low-end and high-end EQ shaping
- Blend: mix between the dry and driven signals (balancing the original tone)
- Bite: a control that shifts the midrange focus
- GAIN (amount of drive) / Level (final output level)
- Designed for chugs, focusing on modern high-gain guitar, bass layers, and riff production
2. How to Download and Install GRIM3
It is being distributed on the official Aurora DSP website. Getting it requires creating a user account on the official Aurora DSP site. After registering, click “DOWNLOAD” on the product page to go to the plugin list page, then download and install “Grim3” from the “Free plugins” section near the bottom of the page to start using it.

