Theater Solutions R4S / R4G style 2-way weatherproof rock speakers simulate the shape of natural rocks, offering the ability to blend into any outdoor environment. The RS6Gs are manufactured from aerospace grade multi layer composites to be extremely durable. The multi-layer composite construction with rust resistant steel grills are weatherproof against rain, snow, salt, ice, pool chemicals and more. The 4 1/2" inch 8 ohm butyl rubber surround woofers with poly-mica cones and 3/4 inch ferro-fluid cooled soft dome tweeters. The Theater Solutions Rock Speakers sound is contoured to provide the best performance in open air environments. They blend perfectly with other Theater Solutions outdoor audio speakers. The drivers are angled upwards 20 degrees in the enclosure to deliver great sound when placed at ground level. These same speakers are offered in 6" and 8" models.