Amazon.com: JBL Club WS1000 10" Shallow Mount subwoofer w/SSI (Selectable Smart Impedance) Switch from 2 to 4 ohm Bundled with Alphasonik Earbuds : Electronics
Boss Audio Systems 600-Watt 8-Inch Subwoofer & 6.5 In Coaxial Speakers (2 Pair) - Walmart.com
JBL EON712 12" 2-way powered PA speaker — 1,300W peak at Crutchfield
Resilient Sounds Team 18" D1 - 5000w RMS Subwoofer
Amazon.com: JBL Pro JRX218S 1400w 18" DJ PA Subwoofer Sub+2-Channel Power Amplifier+Cable : Musical Instruments
JBL 12" 1000W Sub With Box And Amp for Sale in North Las Vegas, NV - OfferUp
B&C Speakers 21iPAL 21" HIGH POWER WOOFER NEW! AUTHORIZED DISTRIBUTOR! – SpeakersAndAmps.com
Amazon.com: EMB Professional 12" 1200W SB-12 Replacement Speaker for JBL, Peavey, Cerwin Vega, Gemini, EMB, BMB, Pyle-Pro, Mr.DJ & Many Brands! Protects the woofer and speaker in open installations.