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Amazon.com: American Bass 10" Competition Car Subwoofer, 3000 Watt Maximum Power, Bass Surround Speaker, Car Audio Stereo Subwoofer - 10 inch, Dual 4 Ohm Voice Coil : Electronics
Amazon.com: PRV AUDIO 6MB100-4 Pair of 6.5 Inch Midbass Speaker for Pro Car Audio, 4 Ohm, 50 Watts RMS Power, 200 Watts Max Power Mid Bass Factory Replacement Loudspeaker (Pair) : Electronics
Amazon.com: Pyle 8" 1600W DVC 4-Ohm Car Audio Subwoofer Speaker Set, 2pk | PLPW8D : Electronics
Amazon.com: Pyle 12" 6400W 4-Ohm DVC Car Stereo Power Audio Subwoofer Set, 4pk | PLPW12D : Electronics
Amazon.com: Pyle Car Mid Bass Speaker System - Pro 5 Inch 200 Watt 4 Ohm Auto Mid-Bass Component Poly Woofer Audio Sound Speakers For Car Stereo w/ 30 Oz Magnet Structure, 2.2”
Amazon.com: Black Diamond DIA-46.2 4x6 Inches Coaxial Speaker Car Audio 2 Way 4-Ohm 80 Watts (2 Speakers) : Electronics
Amazon.com: Car Eight Way Speaker System - Pro 6 x 9 Inch 500W 4 Ohm Mid Tweeter Component Audio Sound Speakers For Car Stereo w/ 120 Oz Magnet Structure, 3.55” Mount Depth
Amazon.com: Planet Audio BBD12B 12 Inch Car Subwoofer - 2500 Watts Maximum Power, Dual 4 Ohm Voice Coil, Sold Individually, Black : Electronics
Amazon.com: AudioPipe TXX-BDC4-8 8 Inch 1000 Watt High Performance Powerful 4 Ohm DVC Vehicle Car Sub Audio Subwoofer Speaker System, Black : Electronics
Amazon.com : Visaton FR 7-4 2-1/2" Full-Range Driver 4 Ohm : Electronics
Amazon.com: Gikfun 2" 4Ohm 3W Full Range Audio Speaker Stereo Woofer Loudspeaker for Arduino (Pack of 2pcs) EK1725 : Electronics
Amazon.com: DS18 ZR6.4D Elite-Z 6 Inch Car Audio Subwoofer 600W Watts Dual Voice Coil 4-Ohm DVC 4+4 Ohm (1 Speaker) : Everything Else
Amazon.com: DS18 ZXI15.4D 15" High Excursion Car Audio Subwoofer 2000W Watts Dual Voice Coil 4-Ohm 4 Magnets (1 Speaker) : Everything Else
Amazon.com: Visaton Speaker, FR 10 Hm, 4 Ohms - 4898 : Electronics
Amazon.com: Car Three-Way Speaker System - Pro 4 x 6 Inch 180W 4 Ohm Mid Tweeter Component Audio Sound Speakers For Car Stereo w/ 30 Oz Magnet Structure, 2” Mount Depth Fits
Amazon.com: TIMPANO 1500 W Bundle with 2X 6.5 TPT-MR6-4 Bullet Midrange Speaker 500 Watts 4 Ohm + 2X TPT-ST2 3.5" 250 Watts Peak Super Tweeters for Car Audio Systems (2 Speakers, 2 tweeters) : Electronics
Amazon.com: 2X SoundXtreme Premium Elite ST-410 10 Inch Car Audio Subwoofer 3000 Watts Max Power Dual 4 Ohm Voice Coil High Power Bass Surround Sound 10" Sub Speaker System : Electronics
Amazon.com: Alphasonik NSW410 Neuron 400 Series 10” 1200 Watts Max / 400 Watts RMS Dual 4 Ohm Car Subwoofer w/ High Grade Magnet Non Pressed Paper Carbon Stitched Cone Cooling Rings System
Amazon.com: 10" Subwoofer 4000W 4 Ohm DVC Pro Car Audio Bass Massive HIPPOXL104 : Electronics
Amazon.com: Pair of Gravity G3 12 Inch 4000 Watt Package Car Audio Subwoofer w/ 4 Ohm DVC Power (2 Woofers) : Electronics
