Comes with the box. I put in my rack, but ultimately I never use it with my workflow. Sounds amazing!

The Lindell Audio LIN2A is a vintage-style leveling amplifier compressor limiter designed for professional audio equipment and musical instruments. It is a product of Lindell Audio, a renowned brand in the music industry. The LIN2A model is a high-quality compressor that provides smooth and transparent compression with a warm and natural sound. It is a rack-mounted signal processor that is ideal for studio recording and live performances.