High-end Home Theatre System custom build & hidden behind a wild silk frame (wall) - Frame open (while taken this picture, the shelf for the center speaker was not yet delivered, now you don't see cables running)

High-end Home Theatre System custom build & hidden behind a wild silk frame (wall) - Frame closed

The Wall is a high performance invisible loudspeaker system which goes into a plaster wall. You can't see anything, your sound comes out of the wall. 100 Watts of pure music