best price R/T 300 Enclosure Series (318-15 Alpine) - Single 15" Slot Vented Sub Bass Hatchback Speaker Box with Labyrinth Power Port for Alpine Subs

R/T 300 Enclosure Series (318-15 Alpine) - Single 15" Slot Vented Sub Bass Hatchback Speaker Box with Labyrinth Power Port for Alpine Subs

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The R/T 318/328 enclosure series features our Labyrinth Slot Vent system. This venting system is a form of "porting" on a much higher level than just cutting a hole in a box and dropping in a port tube. The Labyrinth Design increases the amount of bass your woofer produces without needing any additional power from your system. The "MAZE design of the Labyrinth Slot Venting system brings a controlled sound level increase by allowing long, low frequency sound waves to easily escape, while short high frequency waves remain trapped, unable to cause unwanted cancellation and distortion. In turn, th

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