Harmony HA-P12LS8 Replacement 12" Sub Pro PA 800W Subwoofer/Speaker 8 Ohm Woofer - 90oz Magnet : Musical Instruments - Amazon.com
Amazon.com: Rockville RVP15W8 1000 Watt 15" Raw DJ Subwoofer 8 Ohm Sub Woofer 51OZ Magnet : Musical Instruments
4X Harmony HA-P12LS8 Replacement 12" Pro PA 800W Subwoofer - Speaker 8 Ohm Sub
Rockville RVP12W8 1200w 12" Pro Subwoofers 8 Ohm Raw Sub Woofers 40 Oz Magnets
Amazon.com: PRV AUDIO 6MB200 v2 6.5 Inch Speakers Midbass Woofer 8 Ohm, 100 Watts RMS, 200 Watts Program Power, 93.5 dB 1.5 in Voice Coil for Small Custom Enclosures Pro Car Audio System (Single) : Musical Instruments