Polk Audio Ultramarine Coaxial Speaker - 7.7" Smoke 7.7in UMS77SR. Features XKGlow LED light ring (Compatible with XKGlow Controller with App Support). This product is sold as a pack of two. Features of Polk Audio Ultramarine Coaxial Speaker - 7.7"......

Polk Audio Ultramarine Coaxial Speaker - 7.7" Black 7.7in UMS77BR. Features XKGlow LED light ring (Compatible with XKGlow Controller with App Support). This product is sold as a pack of two. Features of Polk Audio Ultramarine Coaxial Speaker - 7.7"......