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 (Right Panel)
Net Internal Volume: 1.1 ft3.
Port Area: 15.5 in2.
Tuning Frequency: 46 Hz.
Ported Box
for 12 inch
| Slot (Right Panel)
Net Internal Volume: 5.8 ft3.
Port Area: 46.5 in2.
Tuning Frequency: 28 Hz.
Ported Box
for 18 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 8.8 ft3.
Port Area: 108.5 in2.
Tuning Frequency: 32 Hz.
Ported Box
for 6.5 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 2.3 ft3.
Port Area: 23.3 in2.
Tuning Frequency: 35 Hz.
Ported Box
for 15 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 4 ft3.
Port Area: 56 in2.
Tuning Frequency: 31 Hz.
Ported Box
for Dual 8 inch Subwoofers
| Slot (Front Panel)
Net Internal Volume: 1 ft3.
Port Area: 12 in2.
Tuning Frequency: 36 Hz.
Ported Box
for 10 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 1.5 ft3.
Port Area: 23.3 in2.
Tuning Frequency: 33 Hz.
Ported Box
for Dual 10 inch Subwoofers
| Slot (Right Panel)
Net Internal Volume: 2.1 ft3.
Port Area: 12.4 in2.
Tuning Frequency: 35 Hz.
Ported Box
for 10 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 1.3 ft3.
Port Area: 10.9 in2.
Tuning Frequency: 30 Hz.
Ported Box
for 12 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 2.1 ft3.
Port Area: 23.3 in2.
Tuning Frequency: 32 Hz.
Ported Box
for Dual 10 inch Subwoofers
| Slot (Front Panel)
Net Internal Volume: 3.2 ft3.
Port Area: 50 in2.
Tuning Frequency: 30 Hz.
Ported Box
for Dual 12 inch Subwoofers
| Slot (Front Panel)
Net Internal Volume: 3.5 ft3.
Port Area: 38.8 in2.
Tuning Frequency: 28 Hz.
Ported Box
for Dual 12 inch Subwoofers
| Slot (Front Panel)
Net Internal Volume: 2.0 ft3.
Port Area: 23.3 in2.
Tuning Frequency: 29 Hz.
Ported Box
for 12 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 2.1 ft3.
Port Area: 31 in2.
Tuning Frequency: 35 Hz.
Ported Box
for Dual 12 inch Subwoofers
| Slot (Front Panel)
Net Internal Volume: 4.8 ft3.
Port Area: 75.2 in2.
Tuning Frequency: 30 Hz.
Ported Box
for 15 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 4 ft3.
Port Area: 58 in2.
Tuning Frequency: 32 Hz.
Ported Box
for 6.5 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 0.7 ft3.
Port Area: 8.0 in2.
Tuning Frequency: 37.1 Hz.
Ported Box
for 15 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 4.3 ft3.
Port Area: 60 in2.
Tuning Frequency: 26 Hz.