Subwoofer Box Plans for Sundown Audio E Series 15" – SUV/Hatchback Ported Enclosure Build a clean, hard‑hitting ported enclosure for your Sundown Audio E Series 15" subwoofer with these precision‑designed subwoofer box plans. Designed specifically for SUV and hatchback applications, this enclosure delivers deep bass, strong low‑end extension, and reliable performance in a cargo‑friendly footprint. These plans give you the accuracy and tuning needed to get the most out of your E Series 15 in a daily‑driven setup.

Save Money — Build It Yourself Stop wasting materials and guessing on dimensions. These DIY subwoofer box plans make it simple to build a professional‑grade enclosure at home. Perfect for anyone wanting big bass without paying custom‑shop prices.

What’s Included - Downloadable ZIP file - Multiple 3D rendering images - Spec sheet with subwoofer & enclosure specs - Professional optimized cut sheet with parts list - Precision‑designed ported enclosure layout

Designed For Sundown Audio E Series 15" Subwoofer — SUV/Hatchback Ported Enclosure - Woofer Type: Sundown E Series 15 - Woofer Size: 15" - Outside Dimensions: 15”H × 34”W × 19”D - Tuning: 34Hz - Based on manufacturer‑recommended specs May work for other 15" woofers — user discretion advised.