TRU SPEC Prefab Quad 8" Subwoofer Enclosure Subs Up Port Back monoblock -6 dB/oct — defines the

-6 dB/oct — defines the mid-to-tweet handoff for smooth integration and coherent imaging

forming a complete bass package

Surround: Tall and Narrow Foam

Cell inside: LTO Cylindrical cell 66160 2

5 ft³: Recommended enclosure size for ported configurations at this 18" size for strong low-end output

TRU SPEC Prefab Quad 8" Subwoofer Enclosure Subs Up Port Back monoblock -6 dB/oct — defines theProduct Description Tru Spec Prefabricated enclosures are simple, straight to the point, true to spec sub enclosures with proper airspace and non restrictive port area that allows you to have custom box performance at a reasonable price. TRU SPEC PREFAB Quad 8" flush baffle Material: 0. 75" MDF Total woofer displacements factored in: 0. 24 cuft (0. 06 cuft per driver) *What does this mean? You will have 3. 5 cubic feet of internal volume AFTER your