The 10.0 Bollard Subwoofer contains an 8" woofer. Its sleek design that can be easily hidden within a landscape yet looks great when installed out in the open. It has a larger driver area compared to conventional outdoor speakers offering higher performance, higher efficiency, higher fidelity & less compromise. Installation flexibility in many forms for above-ground or in-ground applications. The Bollard features high quality materials and construction built to Defy the Elements™. It is built to be part of a complete patented Coastal Source Plug+Play system or can be easily integrated into existing systems.