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Amazon.com: B&C 18TBW100-4 18" Professional Subwoofer 4 Ohm : Electronics
Amazon.com: Rockville RVP18W4 1200 Watt 18" Raw Replacement DJ PA Subwoofer 4 Ohm Sub Woofer : Musical Instruments
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Amazon.com: RCF L18P300 18-Inch Car and DJ Woofer, Black : Electronics
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Amazon.com: 18 Sound 12W750 1200W Ev Style 12" Woofer, Black : Electronics
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Amazon.com: Peavey PV 118 18 Inch Subwoofer : Musical Instruments
Amazon.com: B&C 18TBW100 18-Inch VC Car and DJ Subwoofer, Black : Everything Else
Amazon.com: B&C 18-in Woofer w/8 Ohms Impedance & 1400 W, Black (18PS100) : Everything Else
Amazon.com: Electro-Voice ELX200-18SP 18" 1200W Powered Subwoofer : Musical Instruments
