ALPINE R2-W8D2 8" SUB 1000W SUBWOOFER DUAL 2-OHM BASS CAR AUDIO SPEAKER NEW | eBay
Kenwood P-XW1221SHP Single 12" High Power Subwoofer in a Vented Enclosure and includes a X502-1 1000W Max Power eXcelon Series Class D Mono Amplifier - Creative Audio
Harmony HA-P15LS8 Replacement 15" Pro PA 1000W Subwoofer - Speaker 8 Ohm Woofer - Walmart.com
Amazon.com: DS18 IXS10.4S Shallow Car Subwoofer - 10" 1000W MAX Power, 500W RMS, Single Voice Coil, 4 Ohms Impedance (1 Speaker) : Electronics
Loud Subwoofer to Enhance Your Audio System- 5 Core | Subwoofer, Car subwoofer, Car audio
2x Harmony HA-P15LS16 Replacement 15" Pro PA 1000W Subwoofer - Speaker 16 Ohm | eBay