Amazon.com: Sound Town 18" 750W Cast Aluminum Frame Woofer (Low Frequency Driver), Replacement Woofer for PA/DJ Subwoofer Cabinets (STLF-18AS) : Musical Instruments
Amazon.com: Car Audio Dual 12" SPL Bass Subwoofer Labyrinth Vent Sub Box Stereo Enclosure : Electronics
Amazon.com: Celestion FTR18-4080HDX FTR Series 18-Inch 600-Watt Subwoofer : Electronics
Amazon.com: Seismic Audio - 18" Raw Subwoofers/Woofers/Speakers - PA DJ Pro Audio Replacement Sub - 750 Watts RMS - 240 oz Magnet - 8 Ohms - 4" Voice Coil : Musical Instruments
Amazon.com: ASC Single 18" Subwoofer 1" MDF Universal Fit Vented Port Sub Box Speaker Enclosure : Electronics
Amazon.com: Seismic Audio - 18" Raw Subwoofer/Woofer/Speaker - PA DJ Pro Audio Replacement : Musical Instruments
Amazon.com: Gemini Sound ZRX-S18P 18" Inch Woofer Professional DJ PA Systems Active Powered Subwoofers with 1600W Watts Class D Digital Power, 3" Voice Coil, Line/Link in XLR Connectors : Musical Instruments
Amazon.com: Sound Town 18” 800W Cast Aluminum Frame Woofer (Low Frequency Driver), Replacement Woofer for PA/DJ Subwoofer Cabinet (STLF-18200A) : Musical Instruments
Amazon.com: Sound Town 12” 500W Cast Aluminum Frame Woofer (Low Frequency Driver), Replacement Woofer for PA/DJ Speakers or Subwoofer Cabinets (STLF-12120A) : Musical Instruments
Amazon.com: Single 12" Subwoofer Regular Standard Cab Truck Sub Box Enclosure 5/8" MDF : Electronics
Amazon.com: JINGERL 50W 4Ohm 8Ohm Car Subwoofer 4 Inch Woofers Speaker in Car Bass Speaker Long Stroke Loudspeaker for Automotive Sound Box IPC (Color : 1 pieces-4Ohm) : Electronics
Amazon.com: Eminence Professional Series Impero 18A 18" Pro Audio Subwoofer Speaker, 1200 Watts at 8 Ohms : Musical Instruments