Bluave M10s42 10" Series High Power 600w Marine Subwoofer 4-ohm With 10" Universal Marine Sub Box Enclosure For Cars, Trucks, Powersports, Utvs, Go... : Target
DS18 ZXI6.4D High Excursion 6.5" Car Audio Subwoofer 600W Watts DVC 4-Ohm Quad Stacked Magnets
Sundown Audio 10″ Woofer, 600W RMS Dual 4 Ohm Voice Coil – The Wholesale House
DD AUDIO SW12a-D4 12" SUB WOOFER 600W DUAL 4-OHM CAR SUBWOOFER BASS SPEAKER NEW | eBay
DS18 ZR6.4D 600W Dual 4-ohm 6.5" Subwoofer
CM12D4 | 12" Car Audio Subwoofer, 600W, Dual 4ohms, Single - Subwoofers