Acoustic Audio HT-87 In Wall In Ceiling 2100 Watt 8" Home Theater 7 Speaker System Acoustic Audio by Goldwood HT-87 in wall and in ceiling 2-way 7 speaker set, 5 pieces of MT8 in wall speakers, 2 pieces of SP8c in ceiling speakers, recommended power is 20-300 watts per speaker, 8ohm Frequency response is 30Hz-22 kHz, crossover frequency is 2200Hz, efficiency is 98dB, 2-way design, 8" woofers with high rigidity polypropylene cones and extended throw drive assemblies Butyl rubber surrounds, 12mm soft dome tweeters, tweeters pivot on MT8 speakers, paintable frames and grills, low profile housings, integrated wall-lock mounting system, designed in the USA Cut-out templates included, rectangular cut out is 8.75" x 12.66", overall is 10.125" x 14.25", depth is 3.875", round cut out is 9.5", overall is 11", depth is 4", full instructions included Use for in wall or in ceiling home entertainment, surround sound, home theater, multiple room systems, industrial sound, this listing and price is for 1 complete 7 speaker set