Flat Pack Enclosure kits

Dual 18" subwoofer flat pack ported enclosure kit: 48w x 26d x 25t (Sub up port back orientation, large SUV only) 10 cubes @32hz tuning. Wanting to save some money and still have a high quality enclosure? Then it is time to consider the Next Level...

Dual 15" subwoofer flat pack ported enclosure kit: 46w x 22d x 17.5t 6 cube @32hz tuning. Wanting to save some money and still have a high quality enclosure? Then it is time to consider the Next Level Fabrication's Flat Pack kits. All material is...

Dual 12" subwoofer flat pack ported enclosure kit: 36w x 18d x 15t 3.5 cube @32hz tuning. Wanting to save some money and still have a high quality enclosure? Then it is time to consider the Next Level Fabrication's Flat Pack kits. All material is...

Dual 10" subwoofer flat pack ported enclosure kit: 36w x 17d x 15t 3 cube @34hz tuning. Wanting to save some money and still have a high quality enclosure? Then it is time to consider the Next Level Fabrication's Flat Pack kits. All material is 3/4"...

Dual 8" subwoofer flat pack ported enclosure kit: 24w x 15.5d x 12t 1.5 cube @ 34hz tuning. Wanting to save some money and still have a high quality enclosure? Then it is time to consider the Next Level Fabrication's Flat Pack kits. All material is...

Single 18" subwoofer flat pack ported enclosure kit: 38w x 25.25d x 18.25t (Sub up port back orientation, recommended for SUVs) 6 cube @32hz tuning. Wanting to save some money and still have a high quality enclosure? Then it is time to consider the...

Single 15" subwoofer flat pack ported enclosure kit: 36w x 17.75d x 17t 3.5 cube @32hz tuning. Wanting to save some money and still have a high quality enclosure? Then it is time to consider the Next Level Fabrication's Flat Pack kits. All material...

Single 12" subwoofer flat pack ported enclosure kit: 24w x 15.5d x 15t 1.75 cube @32hz tuning. Wanting to save some money and still have a high quality enclosure? Then it is time to consider the Next Level Fabrication's Flat Pack kits. All material...

Single 10" subwoofer flat pack ported enclosure kit: 23w x 15d x 13.5t 1.25 cube @34hz tuning. Wanting to save some money and still have a high quality enclosure? Then it is time to consider the Next Level Fabrication's Flat Pack kits. All material...

Single 8" subwoofer flat pack ported enclosure kit: 22w x 12.5d x 12t 0.8 cube @ 34hz tuning. Wanting to save some money and still have a high quality enclosure? Then it is time to consider the Next Level Fabrication's Flat Pack kits. All material...