Amazon.com: KICKER 44CWCS104 CompC 10" 500W Single 4-Ohm Car Subwoofer Bundle with Rockville RSV10 Single Vented Subwoofer Enclosure Box and Single Sub Box Enclosure Installation Kit : Electronics
Amazon.com: Kicker 44CWCD104 Dual 4-Ohm Car Subwoofer Sub Bundle with dB11 RMS Car Amp and Remote, Single Box Kit: Wire,Screws,Spades, RSV10 Single Vented Subwoofer Box and RWK81 Amp Wire Kit with RCA (
Amazon.com: KICKER 43C124 12-Inch 600W 4-Ohm COMP Car Audio Subwoofers (2 Pack) and Q-Power QBOMB12V Dual Vented Subwoofer Box Enclosure with Black Bedliner Spray : Electronics
Amazon.com: ALPHASONIK AS10DF 10 inch 1200 Watts 4-Ohm Down Fire Shallow Mount Flat Enclosed Sub woofer for Tight Spaces in Cars and Trucks, Slim Thin Loaded Subwoofer Air Tight Sealed Bass Enclosure :
Amazon.com: ORION Cobalt CO525C 5.25” 4 OHM 2-Way System 50 Watts RM Coaxials Series CO Speakers Car Audio Stereo Set of 2 Speakers : Electronics
Amazon.com: AudioPipe TXX-BDC4-12 12 Inch 2,200 Watt High Performance Powerful 4 Ohm DVC Vehicle Car Audio Subwoofer Speaker System, Black (2 Pack) : Electronics
Amazon.com: Rockville K5 W15K5S4 15" 2000w 4 Ohm Car Audio Subwoofer Sub 500w RMS CEA Rated! Bundle with Rockville RGS15 Single 15" Sealed Car Sub Enclosure Box & Enclosure Installation Kit (3
Amazon.com: Skar Audio SDR-10 D4 10" 1200 Watt Max Power Dual 4 Ohm Car Subwoofer : Electronics
Amazon.com: BOSS Audio Systems CX122 1400 Watt Car Subwoofer, 12 Inch, Single 4 Ohm Voice Coil, 12 inch subwoofer Box Ready : Electronics
Amazon.com: Black Diamond Car Audio 15" Bass Subwoofer 4-Ohm Dvc 600 Watts DIA-15D4 : Electronics
Amazon.com: 12" 1200W Car Audio Subwoofer - 2 Way Neon Bandpass Speaker System w/ Blue Lights, DC 12V Input/4 Ohm/32Hz-1KHz Freq.Res w/ Plexi-Glass Front Window & Silver Polypropylene Cone - Pyramid BNPS122 :
Amazon.com: QPower QBOMB12V Dual 12" Vented Ported Sub Box & Bedliner Spray with Boss Audio P126DVC Phantom 12" 2300 Watt Max Power 4 Ohm DVC Car Audio Subwoofer : Electronics