United states patent
US 9,621,983 B1
An improved 360 degree surround sound performance, 100 to 150 output wattage, low frequency driver portable wireless, Bluetooth compatible system is disclosed utilizing a sound reflective surface. In this system, a sound enclosure is formed including inner and outer half-spherical shaped, side wall enclosures, and as a bottom surface an elevated horizontal base region. NIMA's Inverse Square Law: The electric field twice as far from the source is spread over four times the area, hence one-fourth the intensity.