Atrend Universal MDF Constructed Spacer for 12 Inch Speaker or Sub - Adds 3/4" To Depth - Premium Subwoofer Spacer Improves Audio Quality, Sound & Bass - Multiple Usage - Charcoal

Atrend's S12 Subwoofer Spacer ring adds .75 inches to most 12" subboxes to decrease the mounting depth of your subwoofer. Our S12s are versatile and easy to use in different applications. Bbox enclosures and accessories are built by the world’s leading manufacturer of speaker enclosures. A globally recognized brand that specializes in ensuring sound quality is delivered in each and every hand-made enclosure. Only trust Atrend for your subwoofer enclosure and car audio needs.