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Amazon.com: uxcell 3W 4 Ohm DIY Speaker 50mm Round Shape Replacement Loudspeaker 2pcs : Electronics
Amazon.com: Rockford Fosgate P3D4-12 Punch P3 DVC 4-Ohm 12-Inch 600-Watt RMS 1200-Watt Peak Subwoofer : Electronics
KICKER DSC460 4x6-Inch (100x160mm) Coaxial Speakers, 4-Ohm (Pair)
Amazon.com: Dayton Audio DAEX32QMB-4 Quad Feet Mega Bass 32mm Exciter 40W 4 Ohm : Electronics
Dayton Audio DAEX32EP-4 Thruster 32mm Exciter 40W 4 Ohm
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Amazon.com: GRS 3FR-4 Full Range 3" Speaker Driver 4 Ohm : Electronics
CT Sounds MESO-8-D4 1600 Watts Max 8 Inch Car Subwoofer Dual 4 Ohm
NVX VCW124v3 (VCW124 Version 3) 2400 Watt Peak (1200W RMS) 12" VC-Series v3 Dual 4-
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Amazon.com: Dayton Audio DAEX30HESF-4 High Efficiency Steered Flux Exciter with Shielding 30mm 40W 4 Ohm : Electronics
Amazon.com: Skar Audio FSX10-4 10" 300 Watt 4 Ohm Pro Audio Midrange Loudspeaker, Each : Everything Else
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Amazon.com: Facmogu 2PCS 8in Full Range Audio Speakers, RMS 50W Peak 120W, 4 Ohm Car Vehicle Audio Full Range Drivers, Wide Range DIY Loudspeaker Woofer Replacement - Red : Electronics
Amazon.com: GRS 3FR-4 Full Range 3" Speaker Driver 4 Ohm : Electronics
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Amazon.com: Gikfun 2" 4Ohm 3W Full Range Audio Speaker Stereo Woofer Loudspeaker for Arduino (Pack of 2pcs) EK1725 : Electronics
uxcell a16092100ux1151 5% 200W 4 Ohm Wirewound Aluminum Housed Clad Resistor Gold Tone, 2.009998" Width, 3.94" Length: Amazon.com: Industrial & Scientific
Amazon.com: Fielect 4Pcs 5W 4 Ohm DIY Magnetic Speaker Audio Speakers 77mm Diameter Round Shape Replacement Loudspeaker : Electronics
Amazon.com: Gikfun 4Ohm 40mm Diameter 3W Full Range Audio Speaker Stereo Woofer Loudspeaker for Arduino (Pack of 2pcs) EK1794 : Electronics
Amazon.com: BOSS Audio Systems CXX12 Car Subwoofer - 1000 Watts Maximum Power, 12 Inch , Single 4 Ohm Voice Coil, Sold Individually,Black : Electronics
Amazon.com: Rockford Fosgate PPS4-6 6.5" 800W 4-Ohm Impedance Mid-Range Car Speakers 4 Pack with Fiber Reinforced Paper Cone and Stamp Cast Aluminum Frame : Electronics
Amazon.com: Audiopipe 15" Woofer 1000W Max 4 Ohm DVC : Electronics
