Used JBL GTO 1514 Subwoofers for Sale | HifiShark.com
JBL GTO1504D Grand Touring Series 15" subwoofer with dual 4-ohm voice coils at Crutchfield
JBL GTO 1514 [While It Is An Entry Class High-quality Super-low-pass Playback Possible Unused Enclosure BOX Set ※ Parallel Imports Speaker Terminal Breakage | Sub Woofer with BOX | Croooober