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 Dual 6.5 inch Subwoofers
| Slot (Front Panel)
Net Internal Volume: 1.2 ft3.
Port Area: 12.4 in2.
Tuning Frequency: 48 Hz.
Ported Box
for 12 inch Subwoofer
| Slot (Right Panel)
Net Internal Volume: 2.8 ft3.
Port Area: 23 in2.
Tuning Frequency: 32 Hz.
Ported Box
for Dual 15 inch Subwoofers
| Slot (Front Panel)
Net Internal Volume: 7.8 ft3.
Port Area: 96.2 in2.
Tuning Frequency: 34 Hz.
Ported Box
for Dual 12 inch Subwoofers
| Slot (Front Panel)
Net Internal Volume: 3.8 ft3.
Port Area: 50 in2.
Tuning Frequency: 31 Hz.
Ported Box
for Dual 12 inch Subwoofers
| Slot (Front Panel)
Net Internal Volume: 4 ft3.
Port Area: 55 in2.
Tuning Frequency: 32 Hz.
Ported Box
for Dual 12 inch Subwoofers
| Slot (Front Panel)
Net Internal Volume: 3.7 ft3.
Port Area: 50 in2.
Tuning Frequency: 31 Hz.
Ported Box
for Dual 6.5 inch Subwoofers
| Slot (Front Panel)
Net Internal Volume: 1.1 ft3.
Port Area: 21.2 in2.
Tuning Frequency: 37 Hz.
Ported Box
for Dual 10 inch Subwoofers
| Slot (Front Panel)
Net Internal Volume: 2 ft3.
Port Area: 33 in2.
Tuning Frequency: 33 Hz.
Ported Box
for Dual 10 inch Subwoofers
| Slot (Front Panel)
Net Internal Volume: 2.5 ft3.
Port Area: 50 in2.
Tuning Frequency: 33 Hz.
Ported Box
for 15 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 4.2 ft3.
Port Area: 30 in2.
Tuning Frequency: 28 Hz.
Ported Box
for 12 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 2.1 ft3.
Port Area: 24.8 in2.
Tuning Frequency: 32 Hz.
Ported Box
for 15 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 3.5 ft3.
Port Area: 45 in2.
Tuning Frequency: 35 Hz.
Ported Box
for 12 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 2.3 ft3.
Port Area: 36 in2.
Tuning Frequency: 31 Hz.
Ported Box
for 18 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 7.5 ft3.
Port Area: 115 in2.
Tuning Frequency: 26 Hz.
Ported Box
for Dual 12 inch Subwoofers
| Slot (Front Panel)
Net Internal Volume: 2.3 ft3.
Port Area: 23.3 in2.
Tuning Frequency: 35 Hz.
Sealed Box
for 8 inch Subwoofer
Net Internal Volume: 0.4 ft3.
Ported Box
for 10 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 1.2 ft3.
Port Area: 10.1 in2.
Tuning Frequency: 38 Hz.
Ported Box
for 8 inch Subwoofer
| Slot (Front Panel)
Net Internal Volume: 0.9 ft3.
Port Area: 12 in2.
Tuning Frequency: 35 Hz.