Proudly U.S.A. Built Enclosure for Sundown X & Z Series Subwoofers. OEM Specific boxes by Atrend are all U.S.A. Made and are designed with the collaboration of Subwoofer Manufacturers. MDF Construction - Atrend Sub-Specific boxes feature high-quality MDF panels between 3/4"" to 1"" to withstand the deepest bass.
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