Amazon.com: JBL GTO Series Premium 4 x 6 Inches Co-Axial Speakers Pair with Patented Plus One Woofer Cone, Silk Dome Tweeters - Set of 2 Bundled with Earbuds : Electronics
Amazon.com: JBL GTO939 GTO Series 6x9" 300W 3 Way Black Car Coaxial Audio Speakers Stereo : Electronics
ONE Pair JBL GTO 6x9in 3-Way Car/Truck front/rear door speakers 300 Watts Peak | eBay
JBL GTO Series GT120 12" 4-ohm Subwoofer at Crutchfield