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15 inch Subwoofer Boxes

Subwoofer Box 4xl L

Ported Box for 15 inch Subwoofer | Slot (Front Panel)
Net Internal Volume: 6.5 ft3. Port Area: 61.9 in2. Tuning Frequency: 30 Hz.

Subwoofer Box Sundown Audio E Series V4 D4

Ported Box for Dual 15 inch Subwoofers | Slot (Front Panel)
Net Internal Volume: 8 ft3. Port Area: 72 in2. Tuning Frequency: 32 Hz.

Subwoofer Box PowerBass 4xl

Ported Box for 15 inch Subwoofer | Pipe (Front Panel)
Net Internal Volume: 6.4 ft3. Tuning Frequency: 32.1 Hz.

Subwoofer Box Sundown Audio E v.4 D4 single test box

Ported Box for 15 inch Subwoofer | Slot (Front Panel)
Net Internal Volume: 4 ft3. Port Area: 50 in2. Tuning Frequency: 32 Hz.

Subwoofer Box Sundown Audio Nsv4 15 dream setup 26hz

Ported Box for 15 inch | Slot (Front Panel)
Net Internal Volume: 15.9 ft3. Port Area: 272 in2. Tuning Frequency: 26 Hz.

Subwoofer Box Skar Audio Two DDX 15's with low tune!

Ported Box for Dual 15 inch Subwoofers | Slot (Front Panel)
Net Internal Volume: 6.5 ft3. Port Area: 47.3 in2. Tuning Frequency: 20 Hz.

Subwoofer Box Sundown Audio E Series V4 D4

Ported Box for Dual 15 inch Subwoofers | Slot (Right Panel)
Net Internal Volume: 8 ft3. Port Area: 74 in2. Tuning Frequency: 32 Hz.

Subwoofer Box Gas In BMW

Ported Box for Dual 15 inch Subwoofers | Slot (Front Panel)
Net Internal Volume: 4.8 ft3. Port Area: 69.8 in2. Tuning Frequency: 35 Hz.

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