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
Stage3 637F | 6-1/2"(165mm) 3-Way car speaker for factory upgrade without grille 14.5.0.8
Car Audio : ลำโพงรถยนต์ Speaker comparison JBL Stage3 637F vs MB Quart M1 116 - YouTube
JBL Stage3 637F 6.5" Car Audio 3-way Coaxial Speakers 6-1/2 Inch 225w Max (Pair) | eBay
JBL Stage3 637F 6.5" 3-Way 225Watts Peak Power Car Audio Speakers – Xcite Audio