Infinity KAPPA463XF 4" x 6" (104mm x 157mm) Two-Way Car Speaker : Electronics - Amazon.com
Infinity Kappa 62. 11i 6-3/4" 2-Way car Speakers — Also fit 6-1/2" Openings 52. 11I 5-1/4" 2-Way Kappa Series Coaxial Car Speakers : Amazon.in: Electronics
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Best Buy: Infinity Kappa 4" x 6" 2-Way Plate Car Speakers with Plus One Woofer Cones (Pair) Silver KAPPA462.9CFP