OUTDOOR GRANITE GREY WIRED ROCK SPEAKER SET - Rock the yard with these outdoor passive 2-way rock speakers, durable and weatherproof against rain, snow, salt, ice, pool chemicals and more EASY TO INSTALL - Simply splice your CL3 rated wire to the speaker wire leads and connect to your home audio receiver, bass woofers and tweeters are angled 20 degrees upward to direct sound to listeners HIGHEST QUALITY - Deluxe 4.5 inch poly mica woofers with butyl rubber surrounds and sealed voice coils, ferro fluid cooled soft dome tweeters for clear sharp sound, 80Hz-20 kHz with 94dB sensitivity at 8ohm, wired rock speakers are (H x W x D) 8" × 7.5" × 6.75" each SYSTEM REQUIREMENTS - Home audio receiver or amplifier with 10-125 watts per channel, CL3 rated 16 gauge raw wire for runs under 40 feet and 14 gauge wire over 40 feet. Use for backyards, lawns, patios, decks, pool, spa, garden and outdoor office WHAT'S IN THE BOX - 2 Theater Solutions by Goldwood R4G passive rock speakers, instruction manual