JL Audio MicroSub™ W3 Enclosed Car Subwoofer. Single 8" W3v3 Subwoofer (CP108LG-W3v3). W3v3 SUBWOOFERS. W3v3 SUBWOOFER TECHNOLOGIES. Ported enclosure containing W3v3 subwoofer(s). The flared slot-port design reduces turbulence at the port mouth to minimize the audible airflow effects that are common to ported enclosures.
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