Hello Friend!
You can choose a suitable enclosure from the existing ones, or make your own subwoofer box design, using the online sub box calculator.
Ported Box
for 8 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 1.3 ft3.
Port Area: 13.5 in2.
Tuning Frequency: 35 Hz.
Ported Box
for Dual 12 inch Subwoofers
| Slot (Front Panel)
Net Internal Volume: 2.3 ft3.
Port Area: 26 in2.
Tuning Frequency: 35 Hz.
Ported Box
for 12 inch Subwoofer
| Pipe (Right Panel)
Net Internal Volume: 1.5 ft3.
Pipe Inner Diameter: 103.4 mm
Tuning Frequency: 33 Hz.
Ported Box
for Dual 12 inch Subwoofers
| Slot (Front Panel)
Net Internal Volume: 4.5 ft3.
Port Area: 65 in2.
Tuning Frequency: 32 Hz.
Ported Box
for Dual 12 inch Subwoofers
| Slot (Front Panel)
Net Internal Volume: 5 ft3.
Port Area: 57 in2.
Tuning Frequency: 28 Hz.
Ported Box
for Dual 12 inch Subwoofers
| Slot (Right Panel)
Net Internal Volume: 2 ft3.
Port Area: 24 in2.
Tuning Frequency: 35 Hz.
Ported Box
for 6.5 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 0.3 ft3.
Port Area: 3 in2.
Tuning Frequency: 36 Hz.
Ported Box
for 15 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 4.1 ft3.
Port Area: 69.8 in2.
Tuning Frequency: 31 Hz.
Ported Box
for 15 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 6.5 ft3.
Port Area: 186.0 in2.
Tuning Frequency: 32 Hz.
Ported Box
for 12 inch Subwoofer
| Pipe (Front Panel)
Net Internal Volume: 2.1 ft3.
Tuning Frequency: 32 Hz.
Ported Box
for 15 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 4 ft3.
Port Area: 70 in2.
Tuning Frequency: 36 Hz.
Ported Box
for 12 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 2.3 ft3.
Port Area: 23.3 in2.
Tuning Frequency: 33 Hz.
Ported Box
for Dual 12 inch Subwoofers
| Slot (Front Panel)
Net Internal Volume: 1.8 ft3.
Port Area: 26 in2.
Tuning Frequency: 35 Hz.
Ported Box
for Dual 12 inch Subwoofers
| Slot (Front Panel)
Net Internal Volume: 2.3 ft3.
Port Area: 26 in2.
Tuning Frequency: 35 Hz.
Ported Box
for 18 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 5.6 ft3.
Port Area: 55.8 in2.
Tuning Frequency: 31 Hz.
Ported Box
for 10 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 1.5 ft3.
Port Area: 22 in2.
Tuning Frequency: 32 Hz.
Ported Box
for 12 inch Subwoofer
| Pipe (Right Panel)
Net Internal Volume: 2.3 ft3.
Pipe Inner Diameter: 152.4 mm
Tuning Frequency: 38 Hz.
Ported Box
for 12 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 2.3 ft3.
Port Area: 50 in2.
Tuning Frequency: 38 Hz.