This is an Acoustic Audio High Definition Series HD-725 5.1 in-wall/ceiling speaker system. This system is perfectly matched and consists of: (4) rectangular front in-wall HD speakers， (2) round rear in-ceiling HD speakers， (1) dedicated true center channel in-wall HD speaker and (2) 10 in. in-wall HD subwoofers. This is the ultimate entertainment package to build your very own home theater surround sound system. The speakers mount seamlessly into any wall or ceiling， so they won't take up precious shelf or floor space. Each speaker has been designed to provide the best sound quality. Features 5.25 in. woofers， butyl rubber surrounds and titanium tweeters. Installation is easy because of the speakers quick-turn mounting arms. The grills are white and can be painted to match specific decor.

Acoustic audio 9-piece home speaker 2-way set， 4 HD-525 wall speakers， 38Hz-22kHz， 98dB， 2 HD-5 ceiling speakers， 40Hz-22kHz， 97dB， 20-250-Watt per speaker， 8ohm， 5.25 in. woven fiber bulletproof woofers

Butyl rubber surrounds， pivoting titanium tweeters， rectangular cut out 6.25 in. x 9.5 in.， overall 7.625 in. x 11.125 in.， depth 3 in.， round cut out 6.625 in.， overall 7.625 in.， depth 3 in.， low profile housings

HD-6c wall center channel 3-way speaker， 20-350-Watt， 33Hz-22 kHz， two 6.5 in. woofers， 12 mm soft dome tweeter， cut out is 19.25 in. x 7.5 in.， overall is 20.5 in. x 8.75 in.， depth: 3.25 in.

2 HDS10 wall passive sub speakers， 20-300-Watt each， 26Hz-200Hz， 10 in. woofers， cut out is 10.625 in. x 10.625 in.， overall is 12 in. x 12 in.， depth is 3.75 in.， these passive subs require a WS1005 sub amp each

Use for in wall or in ceiling home entertainment， surround sound， home theater， multiple room systems， this listing and price is for complete 9-piece in wall and in ceiling speaker set