Front slot port design Finished in hard wearing black carpet Made from high quality 18mm MDF Designed to take 12" round subwoofers. Slot port size - approx. 2.8cm x 32cm. Width of hole - 28cm. Ideal for subwoofers like Alpine Type-R, Kicker Comp series, Pioneer, Kenwood, JBL, Hifonics, Sound stream, Rockford Fosgate, Hertz, JL Audio etc.
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