Acoustic Audio G4RS Outdoor Rock Speakers (Granite Grey) Acoustic Audio by Goldwood G4RS outdoor granite weather resistant speakers, recommended power is 10-400 watts, frequency response is 70Hz-20 kHz, efficiency is 95dB, 8ohm 2-way design and functionality, 4.5" woofers with sealed voice coils and butyl rubber surrounds, .75" soft dome tweeters, weather resistant design, silicone sealed glass-reinforced resin enclosures Waterproof and weatherproof against salt, rain, snow, ice and pool chemicals, 4" raw wire leads, (HxWxD) is 8"x6.75"x7.5" each, designed and engineered in the USA, full instructions included Use for back yard decor and entertainment, sunrooms, atriums, patios, decks, garden, pool, spa, business / office outdoor dcor This listing and price is for 1 pair / 2 outdoor rock speakers