Amazon.com: Rockville VS12K54 12" K5 1400w Car Subwoofer in Vented Sub Enclosure Box - 4 Ohm : Everything Else
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: MB Quart RW-110A 800W Reference Series 10" 4-Ohm Power Subwoofer Amplifier with 8 Guage Kit Red and Gravity Magnet Phone Holder Bundle : Everything Else
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: Two Notes Torpedo Captor Reactive Loadbox DI and Attenuator - 4 Ohm : Musical Instruments
Amazon.com: American Bass Competition 12" 3000 Watt Dual 4 Ohm Subwoofer Hawk 1244 : Electronics
Amazon.com: Jensen MOD12-70 12" 70 Watt Guitar Speaker, 4 ohm : Musical Instruments
Rockford Fosgate P3D4-12 12 inch 1200 Watt 4-Ohm DVC Car Audio Subwoofer and Q Power 12 inch Single Heavy Duty Vented Subwoofer Enclosure Box
Amazon.com: AudioPipe TXX-BDC4-12 Dual 4 Ohm 12 inch 2,200 Watt Car Speaker Subwoofer (2 Pack) Bundle with QPower QBOMB12TB Dual 12 Inch Triangle Ported Car Audio Subwoofer Box Enclosure with Bedliner Spray : Electronics
Amazon.com: Gikfun 2" 4Ohm 3W Full Range Audio Speaker Stereo Woofer Loudspeaker for Arduino (Pack of 2pcs) EK1725 : Electronics
Amazon.com: Soundstream Twt.5 1 110w Pie Dome Tweeters 4 Ohm, Model: TWT.5, Electronics & Accessories Store : Electronics
Amazon.com: Planet Audio TQ12S 12-Inch Single 4-Ohm Voice Coil Subwoofer - Set of 1 : Electronics
Amazon.com: (2) Kicker 44CWCS124 CompC 12" 600 Watt Single 4-Ohm Car Subwoofer Bundle with Dual Sub Box Enclosure Installation Kit and Rockville RD12 Dual MDF Sealed Subwoofer Enclosure (4 Items) : Electronics
Amazon.com: BOSS Audio Systems R1100M Riot Series Car Audio Subwoofer Amplifier - 1100 High Output, Monoblock, Class A/B, 2/4 Ohm Stable, Low/High Level Inputs, Low Pass Crossover, Mosfet Power Supply, Stereo :
Amazon.com: KICKER 43CVR124 COMPVR 800W 12" 4-Ohm DVC Car Stereo Subwoofer Bundle with Rockville RS12 Single Subwoofer Enclosure Box and Single Sub Box Enclosure Installation Kit : Electronics
Amazon.com: BOSS Audio Systems MC900B Amplifier for ATV UTV Car Marine - 500 High Output, 4 Channel, 2/4 Ohm, Bluetooth Multi-Function Remote, RCA Out, Weatherproof, Use Amp with Stereo and Subwoofer, Crossover : Electronics
Facmogu 3 inch Tweeter Speakers HiFi Full Range Woofer Loudspeaker, 2 PCS 4 Ohm Anti-Magnetic
Amazon.com: Audiopipe TXX-BD3-12 12 Inch 1800W Car Audio 4 Ohm Subwoofer (2 Pack) with QPower QBOMB12V Dual Vented Ported Subwoofer Sub Box with 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: Kenwood KFC-W3041 12" 4 Ohm 2000W Car Subwoofer (Single) with Gravity Magnet Phone Holder Bundle : Electronics
Amazon.com: Dayton Audio DCS165-4 6-1/2" Classic Subwoofer 4 Ohm : Electronics
Amazon.com: Kicker VCWC124 CompC 12" Subwoofer in Vented Enclosure 4-Ohm : Electronics
Amazon.com: AudioPipe TXX-BDC2-12 12 Inch 1500 Watt High Performance Powerful 4 Ohm DVC Vehicle Car Audio Subwoofer Speaker System, Black : Electronics
