Theater Solutions TS425ODW Indoor or Outdoor Speakers Weatherproof Mountable White 3 Pair Pack Theater Solutions TS425ODW indoor or outdoor weather resistant white speakers, recommended power is 10-150 watts per speaker, efficiency is 90dB, frequency response is 80Hz-20 kHz 2-way design and functionality, 8ohm, weather resistant design, deluxe 4.25" woofers, 1" dome tweeters, screw loaded raw wire connection terminals, heavy duty ABS plastic 2nd order 12db per octave crossover, deluxe rust-resistant steel protective gratings, designed and engineered in the USA, speaker size is (H x W x D): 7.75"  5.75"  5" Adjustable steel "U" mounting brackets and full instructions included, these speakers require a home audio receiver or amplifier to power them Use for surround sound, home theater, multiple room systems, industrial, bathrooms, kitchens, marine, pools, spas, yards, decks, this listing and price is for 3 pair / 6 indoor or outdoor speakers