Amazon.com: JBL GTO939 GTO Series 6x9" 300W 3 Way Black Car Coaxial Audio Speakers Stereo : Electronics
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
Best Buy: JBL 6x9 2-Way Multi-Element Loudspeaker Pair GTO928
JBL GTO 938 speakers. - YouTube
JBL GTO 939 GTO Series 600W 6x9" 3-Way 3-Ohm Coaxial Car Audio Speakers 50036313773 | eBay
JBL 300 Watts MAX 3-way Coaxial Car speakers + 6x9" Black Carpet Speaker Box | eBay