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Amazon.com: Alto Professional TS212S Truesonic Quiet, Fanless Cooling (1250W Peak Class D Power / 42-100Hz), 12" subwoofer : Musical Instruments
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Sound Testing, Alto TS212S Sub-woofer with 1250 watts, What a Smoking Speaker for DJs Starting out. - YouTube
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Amazon.com: Alto Professional TS212S Truesonic Quiet, Fanless Cooling (1250W Peak Class D Power / 42-100Hz), 12" subwoofer : Musical Instruments
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