18SDXZDV Black Carpeted Atrend 18" Dual Subwoofer Ported Box For Sundown M, X, Z, & NS Series Subwoofers (Unloaded Enclosure)

• Designed as a 18 inch dual vented/ported.
• Use with the Sundown Audio model/series fitment named in the product title.
• Check your subwoofer's required mounting depth against the listed 23.55 in mounting depth.
• Measure your install area and compare it to the listed outside dimensions: 44.5 x 20 x 21.75 in.
• Listed material thickness: 1" Premium MDF.