Ported VS Sealed Enclosure. Usually a deeper bass response than a sealed enclosure. Tuned To Play Low Frequency Bass. Depth at the top : 33 cm. Depth at the bottom : 42 cm. Ideal for subwoofers like Alpine Type-R, Kicker Comp series, Pioneer, Kenwood, JBL, Hifonics, Sound stream, Rockford Fosgate, Hertz, JL Audio etc.
eBay