Amazon.com: Harmony Audio HA-ML181 Monolith 18" Car Stereo Competition SPL Sub 3500W Dual 1 Ohm Subwoofer : Electronics
Amazon.com: 5 CORE 2500 Watt 18 Inch RAW DJ Speaker PA Subwoofer Replacement 8 Ohm Sub Woofer, Aluminium Frame, 4” Voice Coil FR 18 190 AL : Musical Instruments
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: Sound Town 18” 1000W Cast Aluminum Frame Woofer (Low Frequency Driver), Replacement Woofer for PA/DJ Subwoofer Cabinets (STLF-18500A) : 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 Barrier MEGASSUS SBL18XN 3600 Watts Raw 18" Sub woofer Speaker Component Driver with 4 inch Voice Coil and Cast Aluminum Basket Pro Audio PA Cabinets - High Handling Power Heavy
Amazon.com: Mr. Dj PRO-SUB18 18-Inch 3500W Maximum Peak Power Subwoofer with Crossover, Satellite Speakers and Pole Mount Socket : Musical Instruments
Amazon.com: Alphasonik 18" Flagship Series 3000 Watts Raw Sub Woofer Speaker Cast Aluminum Basket Driver for Pro Audio PA DJ Cabinets Subwoofer with High Handling Power Extremely Clear and Loud - FW1832 :
Amazon.com: Sound Town 2-Pack 18" 2000 Watts Powered Subwoofers with Speaker Outputs, DJ PA Pro Audio Sub with 4-inch Voice Coil (METIS-18SPW2.1-Pair) : Musical Instruments