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.