Making a surround sound speaker with a sheet of Styrofoam, this will be painted and then hung behind my seating area, I have tested in surround use and it works very well in its unfinished state. What I used 2 x Audio Exciters (I used 2 x Visaton EX 60 S) 2 x Lengths of … Continue reading Styrofoam Surround Speakers with Audio Exciters