Why Choose Bbox by Atrend?From design to delivery Bbox products are tested vigorously to ensure sound quality and accurate engineering. Working with only the latest in computer automated software and machinery Atrend continues to be a trendsetter in the marketplace. Atrend delivers quality results by utilizing only the most efficient engineering and manufacturing processes.Miter & Dado Construction-All of our Atrend and Bbox subwoofer enclosures are engineered and constructed to be the strongest on the market. Our outside panels feature our signature Miter and Dado construction which adds extra reinforcement and structural integrity to our subwoofer enclosures. Ultimately these construction techniques provide unsurpassed build and sound quality in Bbox enclosures.Attention to Detail-MDF Construction & Appeal - Most Bbox products feature high-quality 1 MDF Face Baffle allowing for panels to withstand even heavier subwoofers.Atrend s Trick Glue - Our Enclosures are built using Atrend s special blend of Trick Glue for up to 3600 PSI of holding ability while maintaining a flexible and durable seal.Premium Charcoal Carpet & Terminal Cups - Premium Charcoal Carpet to match the interior of most vehicles along with premium spring-loaded terminal cups is standard on all Atrend branded products.