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JBL GTO Series GT100 10" 4-Ohm Subwoofer at Crutchfield
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JBL Grand Touring Series GTO1204D 12" subwoofer with dual 4-ohm voice coils at Crutchfield
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JBL GTO Series GT100 10" 4-Ohm Subwoofer at Crutchfield
JBL Grand Touring Series GTO1004D 10" subwoofer with dual 4-ohm voice coils at Crutchfield
