Coastal Source 3-Way Ellipse Speaker – The 3-Way Ellipse Bollard and 3-Way In/Above Ground Bi-Amplified Full Range Speaker features an 8-inch subwoofer to provide full-frequency response. Coastal Source designed the solution for use in direct-burial applications where directional sound is desired from a product featuring simplistic contemporary style. The speaker utilizes a larger driver area compared to traditional products to deliver improved efficiency, according to the company. Coastal Source says the speaker offers installation flexibility for above-ground or in-ground usage, and notes that the speaker is built to be part of a complete Coastal Source Plug+Play system. coastalsource.com