Amazon.com: Pair of JBL Stage3 637F 6"-1/2" Three-Way Car Audio Speaker No Grill Bundle : Electronics
JBL Stage3 607CF 6.5" 2-Way 250 Watt Peak Power Car Audio Component Speaker System for Factory Upgrade (Without Grilles) - Factory Reconditioned - Road Entertainment
Car Audio : ลำโพงรถยนต์ Speaker comparison JBL Stage3 637F vs MB Quart M1 116 - YouTube
Stage3 637F | 6-1/2"(165mm) 3-Way car speaker for factory upgrade without grille 14.5.0.8