This powerful 2-way speaker has an 8 woofer and 3/4 tweeter. Its weathered gneiss appearance mimics rocks commonly found in mountainous areas. The Octorock is ideal for larger outdoor settings where more bass response is required. An optional 64W transformer is available for use in 70V systems. Fully weatherproof and fade-resistant, Rockustics® rock speakers bring superior audio quality to your outdoor spaces while providing an ultra-realistic look and feel. Constructed with the look and heft of real rocks, each Rockustics rock speaker utiliz