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SUNDOWN AUDIO E-15 V.3 D4 15" 500W RMS DUAL 4-OHM CAR SUBWOOFER BASS SPEAKER NEW | eBay
Kicker 50GOLD124 50th Ann. Limited Edition Gold Comp 12" Car Subwoofer 500w RMS | eBay
Pioneer 12 Woofer 500W RMS/1600W Max Single 4 Ohm Voice Coil | eBay
5 CORE 8" Full Range Subwoofer Car Audio Speakers, RMS 50W Peak 500W, 4 Ohm Car Vehicle Audio Full Range Drivers, Wide Range DIY Loudspeaker Woofer Replacement WF 890 DBL - Walmart.com
KICKER Single 12 Inch 2 Ohm 500W RMS Power CompR Subwoofer Enclosure, Black - Walmart.com
Amazon.com: SA-8 V.3 D2 - PAIR Sundown Audio 8" 500W Each RMS Dual 2-Ohm SA Subwoofer : Electronics
STPA21-710 | Class-AB 500W RMS Plate Amplifier for Subwoofer Cabinets – Sound Town