Amazon.com: Car Speaker Set Combo Of 4 Kicker 40CS684 6x8" Inch 450W 2-Way Car Coaxial Stereo Speakers + 4 Metra 72-5600 Speaker Connector for Ford, Lincoln, Mazda, Mercury, + Enrock 50ft 16g Speaker Wire : 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
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JBL 300W TOTAL 2-WAY 4 INCH 10cm CAR/VAN DOOR/SHELF COAXIAL SPEAKERS NEW PAIR 6925281960987 | eBay