Rockustics - SurroundStone 8 - 8" Coax 360 Degree Outdoor Speaker 8′′ Coaxial 360° Rock Speaker offering omnidirectional sound from a 2-way, 100-watt speaker. Although larger than the SurroundStone 5, still inconspicuous and is great for amusements parks or other public areas. Color Options: brown, gray or sandstone. A 64 watt transformer is provided for use in 70V systems.