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 12 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 2.5 ft3.
Port Area: 18.4 in2.
Tuning Frequency: 27 Hz.
Ported Box
for Dual 8 inch Subwoofers
| Slot (Front Panel)
Net Internal Volume: 1.4 ft3.
Port Area: 12.4 in2.
Tuning Frequency: 32 Hz.
Ported Box
for Dual 12 inch Subwoofers
| Slot (Front Panel)
Net Internal Volume: 4.2 ft3.
Port Area: 38.8 in2.
Tuning Frequency: 32 Hz.
Ported Box
for 18 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 7.1 ft3.
Port Area: 54.3 in2.
Tuning Frequency: 28 Hz.
Ported Box
for Dual 15 inch Subwoofers
| Slot (Front Panel)
Net Internal Volume: 5.3 ft3.
Port Area: 49.6 in2.
Tuning Frequency: 31 Hz.
Ported Box
for 15 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 4.5 ft3.
Port Area: 70 in2.
Tuning Frequency: 30 Hz.
Ported Box
for Dual 12 inch Subwoofers
| Slot (Front Panel)
Net Internal Volume: 3.5 ft3.
Port Area: 49 in2.
Tuning Frequency: 32 Hz.
Ported Box
for 12 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 2.3 ft3.
Port Area: 47 in2.
Tuning Frequency: 35 Hz.
Ported Box
for 15 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 3.5 ft3.
Port Area: 48 in2.
Tuning Frequency: 32 Hz.
Ported Box
for 12 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 2.3 ft3.
Port Area: 18.6 in2.
Tuning Frequency: 24.5 Hz.
Ported Box
for 12 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 2.1 ft3.
Port Area: 24.8 in2.
Tuning Frequency: 40 Hz.
Ported Box
for 10 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 1.7 ft3.
Port Area: 27.9 in2.
Tuning Frequency: 32 Hz.
Ported Box
for 10 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 1.2 ft3.
Port Area: 14.9 in2.
Tuning Frequency: 43 Hz.
Ported Box
for Dual 18 inch Subwoofers
| Slot (Front Panel)
Net Internal Volume: 16 ft3.
Port Area: 110 in2.
Tuning Frequency: 28 Hz.
Ported Box
for Dual 10 inch Subwoofers
| Slot (Front Panel)
Net Internal Volume: 3.2 ft3.
Port Area: 15.5 in2.
Tuning Frequency: 35 Hz.
Ported Box
for 15 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 4.8 ft3.
Port Area: 68 in2.
Tuning Frequency: 28 Hz.
Ported Box
for 12 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 2 ft3.
Port Area: 24 in2.
Tuning Frequency: 32 Hz.
Ported Box
for 15 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 4.6 ft3.
Port Area: 55.8 in2.
Tuning Frequency: 30 Hz.