Theater Solutions TSS6C In Ceiling 6.5" Speakers Surround Sound Home Theater Deluxe 5 Speaker Set TSS6C-5S Theater Solutions TSS6C in ceiling speakers, recommended power is 10-250 watts per speaker, efficiency is 94dB, frequency response is 30Hz-21 kHz, 8ohm, 2-way design and functionality 6.5" extended throw woofers with black interlaced glass fiber cones, longer life butyl rubber surrounds, pivoting liquid cooled silk dome tweeters, plus or minus 3dB adjustment switches 2nd order 12dB per octave crossovers, spring loaded raw wire connections, paint-able frames and grills, low profile housings designed for easy installation, unique wall locking mounting system Cut out templates, full instructions included, cut out size is 7.875" per speaker, overall size is 9.5" per speaker, mounting depth is 2.875" per speaker, designed and engineered in the USA Use for in wall or in ceiling home entertainment, surround sound, home theater, offices or commercial, this listing and price is for 2.5 pair / 5 in ceiling speakers