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JBL L8400P 600-watt High Performance 12-Inch Powered Subwoofer with Digital Amplifier (Black)

12 cast aluminum woofer for powerful bass response
600-watt digital amplifier provides optimum power
50-150Hz continuously adjustable low-pass crossover
Heatscape motor structure and Symmetrical Field Geometry provide powerful bass
Gold-plated 5-way bi-wirable binding post