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
Reference 6532ix | 6-1/2" (160mm) coaxial car speaker, 180W
Amazon.com: Kenwood 6-1/2" 300W Max (60W RMS per Pair) 6.5" KFC 2-Way Sport Series Flush Mount Car Audio Door Coaxial Speakers : Electronics
Union 6 Home Audio Loudspeaker | Zu Audio | Hi-Fi audio speakers and cables hand built in the USA
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