Add some music to your view At home in the outdoors, Russound's Rock Speakers are perfect for patios, pools, porches, decks, and backyards. Relax in a lawn chair or tend your garden while enjoying your favorite tunes in the fresh air. Carefully designed to resemble natural rock, Rock Speakers easily blend into your lawn or garden surroundings. Available in granite, weathered granite, or sandstone, each speaker's durable waterproof enclosure is environmentally tested and optimized for superior outdoor audio performance. The Mark 2 ("mk2") models offer fully updated audio components including a new, larger tweeter, improved crossover, and an extended pole piece on the woofer. All of these features make the mk2 speakers much more musical, adding clarity and detail to the sound as well as widening the sound stage.