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Amazon.com: Facmogu 2PCS 6.5in Full Range Speakers, RMS 30W MAX 50W, 4 Ohm HiFi Full Range Car Audio Speaker Drivers, Wideband Stereo Audio Loudspeaker Replacements - Red : Electronics
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GRS 3FR-4 Full-Range 3" Speaker Driver 4 Ohm
Amazon.com: Pyle 6.5" Three-Way Sound Speaker System - 180 W RMS/360W Power Handling w/ 4 Ohm Impedance and 3/4'' Piezo Tweeter for Car Component Stereo, Round Shaped Pro Full Range Triaxial Loud
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