TRU SPEC Prefab Quad 6.5" Sub Up Port Back Subwoofer Enclosure 18" Subwoofer 900 Watts RMS @ 1

900 Watts RMS @ 1 Ohm

THD+N (SPK/RCA) --------------- <0

100 Watts x 4 + 400 Watts x 1 @ 4Ω

83 g Fs 27

76 L Mounting depth 70

TRU SPEC Prefab Quad 6.5" Sub Up Port Back Subwoofer Enclosure 18" Subwoofer 900 Watts RMS @ 1Product 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 4x 6. 5" Sub up port back with double flush baffle Material: 0. 75" MDF Total woofer displacements factored