This package is awesome! Comprising of two UL115 15" sub's loaded with Black Widow 15" 500watt RMS drive units producing an incredible low frequency bass response, two UL15 top's again with 15" 500watt RMS Black Widow drivers and compression tweeters for amazing vocal clarity, All this coupled up to two PV2600 twin fan-cooled power amplifiers, one running the UL115's and the other running the ULL115 bass bins in order to be able to use the crossover built into the amp to lower the bass, This kit is capable of performing in venue's for hi-end mobile disco or bar use. This kit also comes with satelite poles and all cables needed to rock the house!