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Amazon.com: Skar Audio IX-12 D4 12" 500 Watt Max Power Dual 4 Ohm Car Subwoofer : Electronics
Amazon.com: Taramps HD 3000 4 Ohms 1 Channel 3000 Watts RMS MAX Full Range Car Audio, Monoblock, LED Monitor Indicator, Class D Amplifier, Crossover, White 3k amp : Electronics
Amazon.com: Pyle Single Voice Coil Car Subwoofer - 8 Inches, 200 Watts at 4- Ohm Car Audio Powered Subwoofer, Injection Cone with Rubber Edge, High-Powered Car Subwoofer, High-Quality Audio : Electronics
Amazon.com: Skar Audio FSX65-4 6.5" 300 Watt 4 Ohm Pro Audio Midrange Loudspeaker, Each : Electronics
Amazon.com: Timpano TPT-ST2 Black 3.75 Inch Super Tweeter, 4 Ohm, 500 Watts Peak, 105 dB Bullet, 1 in Voice Coil, Slim Profile Tweeters for Pro Car Audio (Pair) : Electronics
Amazon.com: MIYAKO USA (TS-416 4" Professional Grade Replacement for Speaker 50 watts Power at 4 ohms 10oz Magnet Round Speaker for Repairs Black (1 Pair) : Electronics
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Amazon.com: 25W Woofer 4 Ohm Subwoofer Speaker, Bass Audio Column Loudspeaker For Home Theater : Electronics
Amazon.com: uxcell 10W 4 Ohm 3 Inch 78x78x39mm Anti-Magnetic Speaker Tweeter Speakers 4pcs : Electronics
Amazon.com: 2) ROCKFORD FOSGATE P1S4-12 12" 1000 Watt 4-Ohm Car Audio Subwoofers Subs P1S412 : Electronics
Amazon.com: Pyle Car Two Way Speaker System - Pro 3.5 Inch 120 Watt 4 Ohm Mid Tweeter Component Audio Sound Speakers For Car Stereo w/ 20 Oz Magnet Structure, 1.65” Mount Depth
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Amazon.com: Goldwood Sound 120 Watt 4ohm Poly Mica 5" Speaker Midrange Black (GM-85/4) : Electronics
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Amazon.com: Planet Audio PX10 10 Inch Car Subwoofer - 800 Watts Maximum Power, Single 4 Ohm Voice Coil, Sold Individually : Electronics
Amazon.com: Fielect 4Pcs 5W 4 Ohm DIY Magnetic Speaker Audio Speakers 77mm Diameter Round Shape Replacement Loudspeaker : Electronics
Amazon.com: BATVOX CS401 90 Watts 4 Inch 2 Ways 4 Ohm Impedance and Piezo Tweeter for Premium Car Audio Coaxial Car Speakers, Car Stereo Sound System with Removable Grill (2 Speakers) : Electronics
Amazon.com: CT Sounds Meso-6.5-D4 6.5 Inch Car Subwoofer Dual 4 Ohm, 800 Watts Max : Everything Else
Amazon.com: Rockville RVP18W4 1200 Watt 18" Raw Replacement DJ PA Subwoofer 4 Ohm Sub Woofer : Musical Instruments
Amazon.com: Fielect 5W 4 Ohm DIY Magnetic Speaker Audio Speakers 77mm Diameter Round Shape Replacement Loudspeaker 1Pcs : Electronics
