Amazon.com: Alpine SWT-10S4 10" 1000W Peak/350W RMS Shallow Slim Truck Car Subwoofer Bundle with Rockville ROCKBOX 6.5" 100 Watt Portable Rechargeable Bluetooth Speaker w USB/SD
ALPINE SWT-12S4 1000 Watt 12" Car Audio Bass Tube Subwoofer+Amplifier+Amp Kit - Sub and Amp Combos - Subwoofers and Enclosures - Car Audio and Video | Audio Savings
2 Alpine SWT-10S2 Car Subwoofer 1000W Peak 10" SWT Series Single 2-ohm Shallow Mount Subwoofer – absoluteusa
ALPINE SWT-10S2 10" 1000W SUB 2-OHM SUBWOOFER BASS SPEAKER CAR TRUCK AUDIO NEW | eBay
ALPINE R2-W8D4 8" SUB 1000W SUBWOOFER DUAL 4-OHM BASS CAR AUDIO SPEAKER NEW | eBay
Amazon.com: Alpine SWT-10S2 10" 1000W Peak/350W RMS Shallow Slim Truck Car Subwoofer Bundle with Rockville Rock Everywhere Portable Bluetooth Speaker/Waterproof/Wireless Link : Electronics
Amazon.com: Alpine New SWT-10S4 10" 1000w Shallow Car Subwoofer+Slim Sub Enclosure Box : Electronics
Alpine S-Series S2-W12D4 12" Subwoofer with 4-Ohm Voice Coils & 1800W Peak Power