Slot or L-Ported Subwoofer Box for Dual 12" GT5-12 JBL Subwoofer

Eto pinakamura na JBL GT5-S12 subwoofer sa shopee. shp.ee/bvb2bvf
Jan din binili ng kliyente ko ung subwoofer na pinang test ko sa box na yan.
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#JBL
#LPORTED
#SLOTPORTES
#VENTED
#LOWBASS
#BASSHEAD
#SPL