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Every blueprint is designed from scratch around your exact vehicle dimensions and subwoofer specs — no templates, no duplicates, no guesswork. Choose your enclosure type below and we'll engineer a complete blueprint including 2D and 3D renders and a full cut list.

Available designs: Custom Ported · 4th Order Bandpass · 6th Order Bandpass · 4th Order Blow-Thru · 6th Order Blow-Thru · Sealed · Underseat · T-Line

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How It Works

  • 1. Pull Your Measurements

    Use our free measurement guide to capture your vehicle's cargo dimensions accurately before you build.

    Measurement Guide 

  • 2. Decide Your Enclosure Type

    Not sure what box is right for you? Our ordering guide walks you through enclosure types, subwoofer specs, and what to expect.

    How To Order Guide 

  • 3. Place Your Order

    Choose your enclosure type and add your order information on the product page, no guessing, just details.

    Browse Designs 

  • 4. Build with Confidence

    Your PDF blueprint arrives with every specification you or your builder needs: exact dimensions, specifications, 2D cut diagrams, and 3D renders of the finished enclosure, as well as an installation guide and FAQs section.

    Installation Guide 

Why EZ DB's Designs?

Every blueprint we deliver is engineered specifically for your setup; your vehicle, your subs, your goals. We don't do generic boxes. We do your box. Whether you need a ported box for max SPL, a 6th order for maximum wind, or a sealed stealth install, we'll design the blueprint that fits your build.

Technical Information Blogs

  • img link Tape measure stretched across a car trunk with bold text reading Pulling Your Own Measurements by EZ DB's Designs

    How to Pull Your Measurements

    Learn how to accurately capture your vehicle's cargo dimensions before placing your order.

  • img link How to order a custom subwoofer box design from EZ DB's Designs — step by step ordering process

    How to Order a Custom Box Design

    Not sure what enclosure is right for your build? This guide walks you through the entire ordering process.

  • img link Car audio amplifier, multimeter, and wiring components laid out for subwoofer box installation guide

    Installation Guide

    Get your new build dialed in. Covers wiring, amplifier settings, and getting the best sound out of your system.