Box Designer

Have a sub? Type in its spec sheet numbers and your space to design the box. Shopping for one? Tell us your space and goal and we’ll say what to look for.

Your Sub

From the sub’s spec sheet. Use the numbers for how you’ll wire it.

Fs (Hz)QesQmsVas

Sd (cone area)

Xmax, one way (mm)Re (coil resistance as wired) (ohms)Sub displacement (cu ft)Space the sub takes up inside the box. Leave empty if you don’t know.How many subs in this boxPower to each sub (watts)

Your Space

The outside size of the box you can fit, in inches.

Width (in)Height (in)Depth (in)For a wedge, this is the depth at the bottom.Depth at the top, for a wedge (in)Leave empty for a square box.Wood thickness (in)Bracing and anything else inside (cu ft)

How You Want It To Play

BoxLoud at one Hz Ported, uses all your space, tuned for the most output at your Hz.Smooth Ported, tuned for even bass down as low as it can go.Sealed No port. Uses all your space.4th order bandpass Sub sealed in one chamber, firing into a ported chamber. Only the port plays. Loud at your Hz.6th order bandpass Both chambers ported. Loud at your Hz, usually over a wider band than 4th order.

Your Hz (Hz)PortSlot width (in)Leave empty and we’ll size it for your power.

Your Vehicle

Optional. Adds a line for the box playing in your vehicle, and a loud design is tuned for it.

Show it in my vehicle

Your Box

Fill in your sub’s Fs, Qes, Qms, Vas, Sd, Xmax, Re to start.

Box Designer

Your Sub

Your Space

How You Want It To Play

Your Vehicle

Your Box

Your Space

Your Goal

What To Look For