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Customer Reviews: Infinity Kappa 1200W Kappa Series 12" subwoofer with selectable 2- or 4-ohm impedance at Crutchfield
Brand new pair Infinity Kappa 100.9w , used Boston Acoustics gt-22 amp | DIYMobileAudio.com Car Stereo Forum
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Amazon.com: Customer reviews: Infinity KAPPA-1200W KAPPA 12 Inch Subwoofer with SSI (Selectable Smart Impedance)
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