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Gately Audio - 2 12” subs back port back 3.5cf
Metra TCBXP-112 12" Single Ported Car Subwoofer Enclosure (Charcoal Bl – Audiocon
DS18 GEN-X212LD Bass Package 2 x GEN-X124D 12" Subwoofers In a Ported Box 1800 Watts