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18 inch Subwoofer Boxes

Subwoofer Box Apocalypse Db 4518r

Ported Box for 18 inch Subwoofer | Slot (Front Panel)
Net Internal Volume: 6.4 ft3. Port Area: 77.5 in2. Tuning Frequency: 33 Hz.

Subwoofer Box CItronic 18 v3

Ported Box for 18 inch Subwoofer | Slot (Front Panel)
Net Internal Volume: 4.6 ft3. Port Area: 31 in2. Tuning Frequency: 30 Hz.

Subwoofer Box CItronic 18 v2

Ported Box for 18 inch Subwoofer | Slot (Front Panel)
Net Internal Volume: 4.6 ft3. Port Area: 23.3 in2. Tuning Frequency: 30 Hz.

Subwoofer Box Skar Audio Zvx 18

Ported Box for 18 inch Subwoofer | Slot (Front Panel)
Net Internal Volume: 5.3 ft3. Port Area: 78 in2. Tuning Frequency: 30 Hz.

Subwoofer Box Skar Audio Zvx 18

Ported Box for 18 inch Subwoofer | Slot (Front Panel)
Net Internal Volume: 5.3 ft3. Port Area: 78 in2. Tuning Frequency: 30 Hz.

Subwoofer Box Skar Audio sdr 18

Ported Box for 18 inch Subwoofer | Pipe (Right Panel)
Net Internal Volume: 6 ft3. Pipe Inner Diameter: 136 mm Tuning Frequency: 25 Hz.

Subwoofer Box GS 18 SSS2 V1

Ported Box for 18 inch Subwoofer | Slot (Front Panel)
Net Internal Volume: 5.2 ft3. Port Area: 74.4 in2. Tuning Frequency: 32 Hz.

Subwoofer Box GRS GS AUDIO Silver 18

Ported Box for 18 inch Subwoofer | Slot (Front Panel)
Net Internal Volume: 5.2 ft3. Port Area: 74.4 in2. Tuning Frequency: 32 Hz.

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