Theater Solutions TS650S In Ceiling 6.5" Stereo Home Speaker Dual Voice Coil Whole House Audio Theater Solutions TS650S Reference Series 6.5" dual voice coil in ceiling speaker, recommended power is 10-150 watts, efficiency is 92dB, frequency response is 40Hz-20 kHz, 8ohm 2-Way design and functionality, 6.5" extended throw woofer with black composite cone, dual voice coils and butyl rubber surround, dual pivoting silk dome tweeters 2nd order 12dB per octave crossover, spring loaded wire connections, paint-able frame and grill, low profile housing, unique wall locking mounting system, no mounting hardware needed Cut out template and full instructions included, cut out is 7.875", overall is 9.75", mounting depth is 4.5", designed and engineered in the USA Use for in wall or in ceiling home entertainment, bathrooms, hallways, kitchens, offices or commercial, this listing and price is for 1 in ceiling stereo speaker