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Kicker 47KBRW8 Tuned 8-inch Bass Reflex Passive Radiator
Get all the low-end performance of a ported enclosure in a fraction of the air space. Now you have the freedom to create a custom box in the shape you want, in the color you want, with the materials you want. You’ll make a custom enclosure that fits under a seat, behind the backbench, or in the trunk with ease!
Your shape - our size. We custom weighted the KBRWs to exacting specifications, so you get the perfect tune. All it needs is the right active sub in the recommended airspace for some serious custom bump!
For best results, use an 8-inch CompRT or CompVT subwoofer in 0.4 cubic feet of internal air space.