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Subwoofer Box FOR-X XW-418 X-418

Ported Box for 18 inch Subwoofer

Box External Dimensions
Width × Height × Depth
33.46" × 20.47" × 16.22"
Material Thickness 0.71"
Net Internal Volume 4.06 ft3
Tuning Frequency 37 Hz
Port Area 60.0 inch2
Port Inlet
Width × Height
3.15" × 19.06"
Port Length 19.62"


Detail Size Quantity
Top / Bottom 33.46" × 16.22" 2
Front 29.61" × 19.06" 1
Rear 33.46" × 19.06" 1
Left 14.81" × 19.06" 1
Right 15.52" × 19.06" 1
Port 11.66" × 19.06" 1
Port 3.39" × 19.06" 1
Ø428mm 33.46" 29.61" 16.22" 14.81" 16.22" 14.81" 20.47" 19.06" Top Top Bottom Bottom Rear Front Left Right Rear Front Left Right subbox.pro
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