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Seismic Audio - Tremor-18Pair - Pair of Powered PA 18" Subwoofer Speaker Cabinets : Musical Instruments
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Amazon.com: Sound Town 18” 500W Cast Aluminum Frame Woofer (Low Frequency Driver), Replacement Woofer for PA/DJ Subwoofer Cabinets (STLF-18120A) : Musical Instruments
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Sound Town METIS Series 2000 Watts 18" Active Powered Subwoofer with 2 Speaker Outputs, DJ PA Pro Audio Sub with 4 inch Voice Coil (METIS-18SPW2.1) : Musical Instruments
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