JL Audio - The JL Audio Fathom f112v2 Powered Subwoofer, featuring a 1.8 kilowatt next-gen class D amplifier, 18-band D.A.R.O. Digital Automatic Room Optimization, all digital signal processing, and extra-long excursion with
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JL Audio Fathom F113-V2 subwoofer pair | AVS Forum