Amazon.com: Rockville RVP15W8 1000 Watt 15" Raw DJ Subwoofer 8 Ohm Sub Woofer 51OZ Magnet : Musical Instruments
Visaton W 250 8 Ohm 10 inch 25.4 cm Subwoofer 90 W 8 Ω | Conrad.com
Amazon.com: Rockville RVP15W8 1000 Watt 15" Raw DJ Subwoofer 8 Ohm Sub Woofer 51OZ Magnet : Musical Instruments
Amazon.com: 5 Core 8" Full Range Subwoofer Car Audio Speakers, Peak 100W, 4 Ohm Car Vehicle Audio Full Range Drivers, Wide Range DIY Loudspeaker Woofer Replacement WF 8110G : Electronics