Theater Solutions 4 New Pairs of 6.5" In Ceiling Surround Sound HD Home Theater Round Kevlar Speakers 4TS65C Theater Solutions TS65C in ceiling speakers, recommended power is 10-200 watts per speaker, efficiency is 92dB, frequency response is 32Hz-20 kHz, 8ohm, 2-way design and functionality 6.5" woven fiber bulletproof cone woofers with butyl rubber surrounds, pivoting silk titanium dome tweeters, 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, no mounting hardware needed, 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 4 pair / 8 in ceiling speakers