infinity - two pairs of kappa-86cfx kappa 6x8/5x7 inch two-way coaxial speakers - Newegg.com
Amazon.com: Infinity Kappa 6X8"/5X7" 300 Watts Max (100 Watts RMS) 2-Way Coaxial Car Audio Stereo Multi Element Speakers with UniPivot Tweeters with Oversized Voice Coils - Pair Bundled with Alphasonik Earbuds : Electronics
Amazon.com: Infinity KAPPA-90CSX Kappa 6x9 Inch Two-Way car Audio Component System with Gap switchable Crossover : Electronics
Amazon.com: Infinity KAPPA693M 6" x 9" (168mm x 240mm) Three-Way Car Speaker : Electronics