Mighty Sound System by Long & Associates

That's right. Mighty SF has a soundsystem made by Long & Associates.
L&A is the sound company that came from Richard Long's success building sound systems for the following venues...

Studio 54
Paradise Garage

Quick Series of Interview about Richard Long

Everyone feels like Richard made their party the greatest ever. His sound systems are pretty great, but I have the feeling that Mighty's sound system isn't one he worked on personally. But yeah, it's a spectacle visually.