Sonance MB-30 speaker with a 6.5 inch polypropylene woofer & 1 inch soft-dome tweeter for smooth highs and a detailed mid-range. Weatherproof, but it has never been used outdoors. Dimesions: 8" X 8" X 13" high. Match it with a speaker of comparable quality for stereo sound hard to beat under $400. which was the original retail price for a pair. For a demonstration, email or phone 801 487-3047