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 6.5 inch Subwoofer
| Slot (Right Panel)
Net Internal Volume: 0.7 ft3.
Port Area: 6 in2.
Tuning Frequency: 34 Hz.
Ported Box
for 12 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 2.3 ft3.
Port Area: 32.6 in2.
Tuning Frequency: 31 Hz.
Ported Box
for Dual 15 inch Subwoofers
| Slot (Right Panel)
Net Internal Volume: 7 ft3.
Port Area: 98 in2.
Tuning Frequency: 29 Hz.
Ported Box
for 6.5 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 0.7 ft3.
Port Area: 7 in2.
Tuning Frequency: 34 Hz.
Ported Box
for 8 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 0.8 ft3.
Port Area: 10.9 in2.
Tuning Frequency: 40 Hz.
Ported Box
for Dual 12 inch Subwoofers
| Slot (Front Panel)
Net Internal Volume: 6 ft3.
Port Area: 80 in2.
Tuning Frequency: 32 Hz.
Ported Box
for 18 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 6 ft3.
Port Area: 96 in2.
Tuning Frequency: 26 Hz.
Ported Box
for Dual 12 inch Subwoofers
| Slot (Right Panel)
Net Internal Volume: 3.5 ft3.
Port Area: 46.5 in2.
Tuning Frequency: 35 Hz.
Ported Box
for 12 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 2.2 ft3.
Port Area: 25 in2.
Tuning Frequency: 29 Hz.
Ported Box
for 12 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 1.6 ft3.
Port Area: 23.3 in2.
Tuning Frequency: 35 Hz.
Ported Box
for 12 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 1.5 ft3.
Port Area: 40 in2.
Tuning Frequency: 37 Hz.
Ported Box
for 12 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 3.5 ft3.
Port Area: 36 in2.
Tuning Frequency: 30 Hz.
Ported Box
for Dual 10 inch Subwoofers
| Pipe (Front Panel)
Net Internal Volume: 2.5 ft3.
Tuning Frequency: 38 Hz.
Ported Box
for 12 inch Subwoofer
| Slot (Right Panel)
Net Internal Volume: 2.5 ft3.
Port Area: 23.3 in2.
Tuning Frequency: 30 Hz.
Ported Box
for 12 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 2.5 ft3.
Port Area: 23.3 in2.
Tuning Frequency: 30 Hz.
Ported Box
for Dual 15 inch Subwoofers
| Slot (Front Panel)
Net Internal Volume: 5.5 ft3.
Port Area: 65 in2.
Tuning Frequency: 33 Hz.
Ported Box
for Dual 15 inch Subwoofers
| Slot (Front Panel)
Net Internal Volume: 5.5 ft3.
Port Area: 60 in2.
Tuning Frequency: 33 Hz.
Ported Box
for 10 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 1.1 ft3.
Port Area: 18.6 in2.
Tuning Frequency: 39 Hz.