OUTDOOR MOUNTABLE WIRED SPEAKERS - Traditional passive speaker design, simply drive power from your amplifier or receiver. Full Range sound coverage with 3-way tweeter, midrange and woofer configuration WEATHERPROOF AND DURABLE - Black ABS sealed cabinets with spring loaded raw wire connectors and mounting brackets are weatherproof against rain, snow, sun, ice and more. Big sound from a compact speaker size of (H x W X D) 7.375" x 4.625" x 4.125" each HIGH QUALITY - 4" Silver CD woofers with butyl rubber surrounds, 2"mylar dome midranges, .5" mylar dome tweeters, frequency response of 37Hz-20 kHz with 99dB at 8ohm SYSTEM REQUIREMENTS - Any amp or receiver with raw speaker wire outputs, power from your amp should be no less than 20 and no more than 300 watts per channel, CL3 or raw speaker wire to connect your amp to the speakers WHAT'S IN THE BOX - 6 Acoustic Audio by Goldwood 251B speakers, mounting brackets with hardware, instruction manual. Use for home theater surround sound, whole house audio systems, business or retail installations, patios, decks, pool and spa settings