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 Grand Touring Series GTO1004D 10" subwoofer with dual 4-ohm voice coils at Crutchfield Canada