Old School 90's JBL GT Series GT122 140W-280W Single Voice Coil 12" Subwoofer | eBay
Amazon.com: JBL GTO Series Premium 6 x 8 Inches Co-Axial Speakers Pair with Patented Plus One Woofer Cone, Silk Dome Tweeters - Set of 2 Bundled with Earbuds : Electronics
JBL GT-12BP - 12Ó car audio Bandpass Subwoofer Box, Black