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: PRV AUDIO 4 Inch Midrange Speaker 4MR60-4, 60 Watts Program Power, 4 Ohm, 30 Watts RMS Power Pro Audio Loudspeaker (Single) : 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: 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: Pair of Car Vehicle Subwoofer Audio Speaker - 6 Inch Competition Pressed Paper Cone, 4 Ohm, Advanced Air Flow, 400W Power for Stereo Sound System - Audiotek K706 (2 Subwoofers) w/Wire
Amazon.com: PRV AUDIO 8 Inch Midrange Speaker 8MR400-NDY-4, 400 Watts Max Program Power, Neodymium, 4 Ohm, 200 Watts RMS Power, 94 dB, Mid Range Loudspeaker fo Pro Car Audio (Single) : Electronics
Amazon.com: Pyle 12" 6400W 4-Ohm DVC Car Stereo Power Audio Subwoofer Set, 4pk | PLPW12D : Electronics
Amazon.com: Pyle 6.5 Inch Mid Bass Woofer Sound Speaker System - Pro Loud Range Audio 300 Watt Peak Power w/ 4 Ohm Impedance and 60-20KHz Frequency Response for Car Component Stereo PLG64 : Electronics
Amazon.com: BOSS Audio Systems P126DVC Phantom 12-Inch 2300 Watts 4 Ohm Dual Copper Voice Coal Car Audio Stereo Subwoofer Speaker with Poly Injection Cone : Electronics
Amazon.com: Crunch CRW12D4 12 Inch 800 Watt MAX 4 Ohm Dual Voice Coil Car Subwoofer Speaker with 2 Channel 1000 Watt Amp A/B Class Car Audio Stereo Amplifier : 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: Lanzar 12in Car Subwoofer Speaker - Black Non-Pressed Paper Cone, Stamped Steel Basket, Dual 4 Ohm Impedance, 1000 Watt Power and Rubber Suspension for Vehicle Audio Stereo Sound System - MAX12D : Electronics
Amazon.com: Orion XTR Subwoofer DVC 4 OHM Max Music Power Watts Subwoofer Black Speaker Car Stereo Bass Woofers (XTR154D, 15 Inch - DVC 4 OHM) : Electronics
Amazon.com: 10" Subwoofer 4000W 4 Ohm DVC Pro Car Audio Bass Massive HIPPOXL104 : Electronics
Amazon.com: Pyle 4'' x 6'' Three Way Sound Speaker System - Pro Mid Range Triaxial Loud Audio 240 Watt per Pair w/ 4 Ohm Impedance and 3/4'' Piezo Tweeter for Car Component
Amazon.com: Visaton Speaker, FR 10 Hm, 4 Ohms - 4898 : Electronics
Amazon.com: Pyle 8" 1600W DVC 4-Ohm Car Audio Subwoofer Speaker Set, 2pk | PLPW8D : Electronics
Amazon.com: 4" Car Sound Speaker (Pair) - Upgraded Blue Poly Injection Cone 2-Way 180 Watt Peak w/ Non-fatiguing Butyl Rubber Surround 110 - 20Khz Frequency Response 4 Ohm & 3/4" ASV Voice
Amazon.com: DS18 HOOL-X15.4DSPL Hooligan X 15" SPL Car Audio Subwoofer 4000 Watts Rms 4" Dual Voice Coil 4-Ohm DVC 4+4 Ohm (1 Speaker) : Electronics
Amazon.com: Pair of Gravity G3 12 Inch 4000 Watt Package Car Audio Subwoofer w/ 4 Ohm DVC Power (2 Woofers) : Electronics
Amazon.com: DS18 PRO-BX18N.2D Car Subwoofer Audio Speaker - 18" in Neodymium Magnet, 6" Dual Voice Coil, 4 Ohm Impedance, 2500W Rms Power, 5000W Max Power - Reinforced Paper Cone for Outstanding Performance :
Amazon.com : Visaton FR 7-4 2-1/2" Full-Range Driver 4 Ohm : Electronics
Amazon.com: Gravity WZP69 Warzone Series 6x9 inch 4 Ohm Pro Midrange Coaxial Loud Corrugated Surround Speaker 4-Ohms with 800W Max, 1 Speaker Car Audio High Standard Reliability Testing : Electronics
