How To Make a Amazing Subwoofer Mini JBL Box Using Cardboard

Are you a music enthusiast who loves powerful bass? Have you ever thought about creating your own subwoofer box to enhance your audio experience? Look no further! In this article, we will guide you through the process of making an amazing handmade JBL subwoofer box using cardboard. With a little creativity and effort, you can have a custom subwoofer that not only produces incredible bass but also showcases your DIY skills. Let’s dive in!


Before we begin, let’s understand what a subwoofer is and why it is an essential component of any audio system. A subwoofer is a specialized loudspeaker designed to reproduce low-frequency sounds, commonly known as bass. It adds depth, richness, and impact to music, movies, and other multimedia content. By making your own subwoofer box, you can tailor it to your specific requirements and achieve optimal audio performance.

Materials Required

To get started, gather the following materials:

  • Cardboard sheets
  • Utility knife or scissors
  • Ruler or measuring tape
  • Pencil or marker
  • Adhesive or glue
  • JBL subwoofer driver
  • Speaker wire
  • Amplifier (if necessary)
  • Screws or nails (for reinforcement)
  • Acoustic foam (optional, for sound insulation)

Designing the Subwoofer Box

Begin by designing the subwoofer box. Determine the dimensions based on the size of the JBL subwoofer driver you have or plan to purchase. Consider the available space in your room or car where you intend to place the subwoofer. Sketch the design on paper, including the dimensions of each panel.

Cutting and Assembling the Cardboard

Once you have the design, transfer the measurements onto the cardboard sheets. Use a ruler or measuring tape to ensure accuracy. Carefully cut out the required panels using a utility knife or scissors. Make sure to label each piece to avoid confusion during assembly.

Next, assemble the cardboard panels using adhesive or glue. Apply the adhesive along the edges and firmly press the pieces together. Allow the glue to dry completely before proceeding to the next step.

Reinforcing the Structure

To make the subwoofer box sturdy and durable, reinforce the structure with screws or nails. Place the fasteners strategically along the edges and corners, ensuring a tight bond between the panels. This reinforcement will prevent the box from vibrating or coming apart when the subwoofer is in use.

Wiring and Speaker Installation

Before installing the subwoofer driver, make the necessary wiring connections. Strip the ends of the speaker wire and connect it to the terminals on the subwoofer driver. Ensure a secure connection by tightening the terminals appropriately.

Carefully position the subwoofer driver in the designated opening on the cardboard box. Align it properly and secure it using screws or adhesive, depending on the design of your subwoofer box.

Make a Amazing Subwoofer Mini JBL Box Using Cardboard

Testing and Fine-Tuning

Once the subwoofer driver is securely installed, connect it to an amplifier if required. Connect the amplifier to your audio source, such as a stereo system or multimedia device. Adjust the settings on the amplifier to optimize the bass output.

Test the subwoofer by playing various audio tracks that emphasize low-frequency sounds. Make adjustments to the amplifier settings as needed to achieve the desired sound quality.

Adding Finishing Touches

To enhance the aesthetics of your handmade subwoofer box, consider adding finishing touches. You can paint the cardboard box in your preferred color or apply decorative stickers. Additionally, you may choose to line the interior walls of the box with acoustic foam to minimize sound reflections and improve overall audio performance.


Congratulations! You have successfully created your own amazing handmade subwoofer JBL box using cardboard. By following the steps outlined in this article, you have not only built a functional subwoofer but also demonstrated your creativity and DIY skills. Enjoy the immersive bass experience that your custom subwoofer brings to your audio setup!

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