Solid-4000-Mix-Bus-500

The Solid 4000 Mix Buss is

a stereo processor that glues together and brings life to a mix. Based in the classic british consoles, it has the same bus circuit that the Solid 4k–500 series of the Epsilon 32–500 summing mixer. In 500 series format and very simple to use: Drive and Output controls. The Solid 4000 Mix Buss is designed to be used mostly as an insert on the mix bus, but can also be used to enhance instrument group busses. We suggest to insert it before you start mixing and then mix through it. This helps you tailor the mix and get the best sound.

https://www.youtube.com/watch?v=o2bKct3QjGg&t=4s

https://www.youtube.com/watch?v=D5lXsH6OzWo