SD4 SuperDispersion Ceiling Speaker Array by Pure Resonance Audio is a high-quality commercial audio solution designed for in-ceiling mounting. With a built-in 8 Ohm/70 V transformer, this ceiling speaker offers stereo and surround sound capabilities, delivering powerful audio with 160 watts of maximum output power. The finished metal exterior in white color makes it a sleek and stylish addition to any space. Featuring voice control and wired connectivity, this speaker array is easy to install and offers a wide frequency response for clear and immersive sound quality. New!