Pioneer TS-A2000LD2 Passive Subwoofer, Powerful Subwoofer with 700 W Maximum Power, 20 cm, 67 mm Installation Depth, IMPP Membrane, Continuous Output Power 250 W, Black : Amazon.com.au: Electronics
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dB Technologies SUB 918 18 Inch High Power Subwoofer | Lowest Price Guaranteed
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JBL SRX828S 18" DUAL PASSIVE SUBWOOFER SYSTEM
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Skar Audio VD-8 D2 8" 600W Max Power Dual 2 Ohm Shallow Mount Car Subwoofer : Amazon.com.au: Electronics
Yamaha Subwoofers | Home Theatre Subwoofers | Todds Hi Fi – Page 3