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: Sundown Audio X-18 V.2 D4 18" 1500W RMS Dual 4-Ohm X V.2 Series Subwoofer : Electronics
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: JBL Professional EON718S Powered PA Subwoofer with Bluetooth, 18-inch, Black : Musical Instruments
Amazon.com: Sky High Car Audio Resilient Sounds Team 18 5000 Watt Rms Subwoofer : Electronics
Amazon.com: Skar Audio ZVX-18v2 D2 18" 3200 Watt Max Power Dual 2 Ohm SPL Car Subwoofer : Electronics
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: Sound Town 18” 800W Cast Aluminum Frame Woofer (Low Frequency Driver), Replacement Woofer for PA/DJ Subwoofer Cabinet (STLF-18200A) : Musical Instruments
Amazon.com: 5 CORE 18" inch Subwoofer Replacement Loud Speaker 2500 W Sub Woofer RAW PA DJ Audio FR 18 190 MS : Musical Instruments
Amazon.com: CT Sounds TROPO-18-D4 18 Inch Car Subwoofer Dual 4 Ohm, 1300 Watts Max : Everything Else
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
Amazon.com: Sound Town 18” 500W Cast Aluminum Frame Woofer (Low Frequency Driver), Replacement Woofer for PA/DJ Subwoofer Cabinets (STLF-18120A) : Musical Instruments
Amazon.com: CELESTION FTR184080FD FTR Series 18-Inch 1000-Watt Subwoofer, Black : Musical Instruments
Amazon.com: Mr. Dj PRO-SUB18 18-Inch 3500W Maximum Peak Power Subwoofer with Crossover, Satellite Speakers and Pole Mount Socket : Musical Instruments