The behringer sat 1004 bundle installation speaker package is everything you need for an indoor speaker installation. It includes an 8 active pa subwoofer that drives four 4 passive pa speakers with four mounting brackets eight connectors and 30m of speaker cable. Whether you have a club café or any other indoor space the sat 1004 bundle will give you powerful and clear sound with a wide dispersion. The sat 1008 subwoofer provides ultimate low frequency reproduction with a built in stereo crossover for use with any 2 way loudspeaker. It is powered by a 600 watt class d amplifier and has an 8 long excursion subwoofer delivering rich deep and tight bass that youll be able to feel. Each of the four sat 1004 2 way speakers delivers accurate sound reproduction with a sleek housing for use in any environment. They use powerful 4 long excursion drivers with 1 soft dome tweeters for a super wide frequency range especially when combined with the 1008 subwoofer. And the included brackets make mounting in any indoor space easy to do.