Dual Sundown Audio X V1 15" SUV / Hatchback Ported Subwoofer Box Plans
Subwoofer Box Plans for (2) Sundown Audio X Series V1 15" – Ported Enclosure
Build a powerful, deep‑hitting ported enclosure for two Sundown Audio X V1 15" subwoofers with these precision‑engineered SUV/Hatchback‑optimized subwoofer box plans. Designed to take full advantage of cabin gain in larger vehicles, this enclosure delivers massive low‑end extension, clean output, and reliable daily performance from Sundown’s legendary X‑Series.
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 huge bass without paying custom‑shop prices.
What’s Included
- Downloadable ZIP file
- Multiple 3D rendering images
- Detailed spec sheet with subwoofer & enclosure specs
- Professional optimized cut sheet with parts list
- Precision‑designed ported enclosure layout
Designed For
Dual Sundown Audio X V1 15" Subwoofers – SUV/Hatchback Application
- Woofer Type: (2) Sundown Audio X Series V1
- Woofer Size: 15"
- Outside Dimensions: 24"H × 47"W × 22"D
- Tuning: 32Hz
- Performance Notes: Engineered for deep, authoritative bass with strong cabin gain and smooth low‑frequency response
May work for other 15" woofers — user discretion advised.
Why These Plans Perform
- Optimized specifically for dual Sundown Audio X V1 15" subs
- Designed for deep, accurate bass with strong low‑end extension
- SUV/Hatchback‑tuned for maximum cabin gain and output
- Smooth, predictable response thanks to proper port tuning
- Ideal for daily setups needing clean, powerful performance
- Eliminates trial‑and‑error and wasted materials