JBL GTO1504D Grand Touring Series 15" subwoofer with dual 4-ohm voice coils at Crutchfield
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
JBL GTO629 2-Way 6.5in. Speaker for sale online | eBay
Amazon.com: JBL GTO629 Premium 6.5-Inch Co-Axial Speaker - Set of 2 : Electronics
2 JBL GTO1514D 350W 15" GTO Series Dual 4 ohm Subwoofer(No working only parts) | eBay