Amazon.com: JBL GTO629 6.5/'' GTO 2-Way 360 Watts MAX Power Grand Touring Series Coaxial Car Audio Speakers Bundled with Alphasonik, GTO629+Alpha : Electronics
GTO629 | This JBL series incorporates many patents that are also found in JBL's pro speakers
JBL GTO 6.5" Front Door Speakers for 2014-2019 Sierra & Silverado 1500, 2500 | eBay
JBL GTO629 180 Watts GTO Series 6.5" 2-Way Coaxial Car Audio Speakers NEW 50036313797 | eBay