In today's world of HD entertainment, high quality audio is the key to creating a rich and brilliant listening experience, and that's what the Brilliance Series is all about. As the top of the line from Blue Octave, these models feature a blue Kevlar cone, built in crossover, extended frequency range and maximum power handling. The perfect choice for your home theater, family room, or any other space where high quality sound is a must! These Blue Octave Home audio speakers have one-cut easy installation for existing walls or new construction. The integrated frame has a wall-lock mounting system to ensure secure vibration-free installation, butyl rubber surrounds increase performance and durability. Other features include, spring loaded terminals for easy connectivity and paintable frames and grills. These speakers are timbre-matched to all other Blue Octave speakers for seamless integration with other models. Shared cut out sizes and included templates make upgrades a snap. All weather design. Designed & Engineered in the USA!