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triple 8" OD semi‑cup progressive roll spider
Low Pass Filter: 35Hz – 250Hz — shapes the output to focus energy on bass and sub-bass ranges
Input Impedance: 20 kΩ — high enough to work well with low-level sources while maintaining signal integrity
RMS Power: 4000W RMS — indicates the continuous power the sub can reliably handle
Dust cap: Polypropylene dustcap adds cone strength to resist flex and maintain structural integrity during heavy movement
TRU SPEC Prefab Dual 12" Sub Up Port Back Subwoofer Enclosure 0-500 triple 8" OD semi‑cup progressiveProduct Description Every Tru Spec enclosure is computer designed, CNC cut, and assembled inhouse at GPcarAudio. 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 Dual 12" Sub up port back Material: 0. 75" MDF Total woofer displacements factored in: 0. 24 cuft ) *What
