Amazon.com: JBL GTO629 Premium 6.5-Inch Co-Axial Speaker - Set of 2 : Electronics
JBL GTO Series X6 6.5" Coaxial Car Speakers
GTO329 | This 8.7 cm 2-way custom fit speaker fits directly into the space for the 'factory speaker'
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
GTO629 | This JBL series incorporates many patents that are also found in JBL's pro speakers