10 Best Free Speaker Design Software For Windows

Here is a list of Best Free Speaker Design Software For Windows. These are basically speaker box design software or say speaker enclosure design software which let you find optimal calculations for different parameters to correctly design loudspeaker enclosures. For this purpose, prior knowledge about various loudspeaker parameters is desirable to fully utilize these freeware. Checkout this link to understand loudspeaker data.

Coming back to these speaker design software, you need to enter required values such as number of drivers, voice coil temperature rise, voice coil resistance, voice coil connection, box dimensions, box volume, box tuning frequency, port dimensions, etc. As a result, these freeware calculate optimal values for exterior dimensions, volume, physical port length, port bends, baffle displacement, port area, port ratio, net volume, System Q, Air Volume, Resonant Frequency, Tuning Frequency, Port Diameter, Vent Mach, etc. You can choose the desired unit for calculations. Most of these software plot frequency response graph.

In some of these subwoofer box design software, you can perform various other calculations such as driver and port displacement, vent, crossover, near and far field, woofer/port adjust, etc.

My Favorite Speaker Design Software For Windows:

Loudspeaker Design Calculations Toolkit is my favorite speaker box design software. It is a portable software and comes with a wide range of tools to perform various calculation related to loudspeakers. WinISD is also considerebly a good speaker design software.

You may also like best free Signal Generator Software and Cabinet Design Software for Windows.

Loudspeaker Design Calculations Toolkit

Loudspeaker Design Calculations Toolkit is a free, portable speaker design software for Windows. It contains a set of tabs which can be used for various calculations and conversions related to loudspeakers. The calculations can be done in different units such as centimeter, meter, inch, feet, etc. and a precision value can be chosen too.

The speaker box calculation can be done in Box Dimensions tab. In this tab, you can enter target box volume, interior dimensions (width, height, depth), and panel material thickness (front panel, rear panel, side panel, top panel). While specifying interior dimensions, you can lock any of the three dimensions. As results, you get exterior dimensions (width, height, depth), volume, and target variance. It also displays computed resonant frequency and ratio. There is a Cicada Box tab which computes recommended box dimensions to lower box resonances.

Here is the brief description other tabs present in this speaker enclosure design software:

  • Driver: In this tab, you can calculate area of driver cone by entering radius/diameter.
  • Displacement: You can calculate port and driver volume displacements. For port displacement calculation, you can specify outer diameter and internal length to calculate port internal displacement. As for driver displacement, you need to enter cone diameter, voice coil diameter, magnet diameter, cone depth, magnet depth, cutout diameter, and cutout depth to calculate gross, cutout, and net internal displacement values.
  • Frequency/Time: Here, you can convert values between wavelength, cycle time, and frequency.
  • Near/Far Adjust: This tab performs near and far field calculations.
  • Woofer/Port Adjust: Here, you can compute adjustment between driver and port near field.
  • Z-Offset: It displays driver/baffle acoustic center offset calculations.
  • Frequency: It lets you view frequencies for various instruments and vocals.
  • Voltage & dB: You can perform conversion between voltage and dB units.
  • LPad: It computes resistor values for desired driver attenuation.
  • Parallel/Series: You can compute resistance, inductance, and capacitance here.
  • Port Tuning: To calculate port length and port frequency, use this tab.
  • Filters: Design filters here.
  • Curves: You can load and view measurement curves here.

You can generate HTML report for box dimension measurements and other calculations using File > Save As option. A Print option is also available in this freeware.

Overall, it is a nice speaker cabinet design software, and it is also good at other loudspeaker design calculations. It is an open source speaker box design software.


WinISD is a good speaker design software for Windows. It lets you design Closed, Vented, and Bandpass boxes.

How to use this speaker enclosure design software:

  • To start with, start a new project by selecting a driver for your project. It contains an inbuilt library of speaker drivers which you select for your projects, such as ADS, ALE, ARC, Ample Audio, B&C, Ciare, Crunch, DLS, Eminence, Fane, JBL, and many more. You can add a custom driver too by specifying driver parameters and dimensions.
  • Now, you can edit various parameters which include driver (number of drivers, voice coil temperature rise, voice coil resistance, voice coil connection, etc.), box (volume, tuning frequency), vents (number, shape, vent diameter, end correction, etc.), filter (type, subtype, order, cutoff, Q), signal (listening place, signal source), and advanced (temperature, relative humidity, air pressure, etc.).
  • On the basis of specified input values, it plots various graphs including transfer function magnitude, transfer function phase, group delay, maximum power, SPL, cone excursion, amplifier apparent load power, impedance, impedance phase, rear port (air velocity), real port (gain), front port (air velocity), front port (gain), intrachamber port (air velocity), etc.

You can save the project in its own file format only.

WinISD is a nice loudspeaker design software which contains various customization options including unit, graph color schemes, etc.

Box-Port Design

Box-Port Design is another good speaker design software for Windows. It helps you build loudspeaker and subwoofer. As an input, it takes values of T/S Driver Parameters such as Vas (volume of air), Fs (frequency), Pe (Thermal power), Re (DC resistance of the voice coil), Qes (Electrical Q of loudspeaker), and Q of loudspeaker (Qts). In case you are not well familiar with these parameters, go to the aforementioned link.

As you enter these parameters, it evaluates Optimized Sealed Profile and shows the calculations on the interface in real time. This includes System Q, Air Volume, Resonant Frequency, Tuning Frequency, Port Diameter, Port Length, Vent Mach, etc. values. In addition, it displays EBP i.e. Efficiency Bandwidth Product value to let you know how well the driver is suited to a port enclosure. It also lets you find custom alignment profile by entering internal box parameter (volume, tuning, port diameter, etc.). There is option to enable/disable dual drivers and dual ports calculation. The frequency response graph is also shown on the interface.

Let’s see the settings options you get:

  • Alignment can be set as Sealed Closure, Ported Closure, or Single Bandpass.
  • Calculation unit can be customized.
  • Other settings options that you can configure are Vent-Mach Ceiling, Gain Adjustment, Equipment DC Resistance, and Box Loss Assumption.
  • You can add a description to your driver project.

It provides a tool named Box Planner which lets you design optimized boxes (Greek, Z-Norm) based on required dimensions and volume. A Volume Tool is also provided to calculate volume.

You can print the Driver Profile and Box Planner results.

Box-Port Design is a nice and easy to use speaker design software. As you hover mouse over a function or parameter, it displays respective description so that it is easier for you to understand. It also comes up with a unit conversion tool.

Torres Box Tuning Calculator

Torres Box Tuning Calculator is another free speaker design software for Windows. It lets you calculate box and port dimensions for audio speakers.

The software is pretty intuitive as its main interface contains all input parameters and output calculations. You need to just enter box dimensions (heights, width, depths), port dimensions (number of ports, height, width, depth, diameter), and other values including number of extra baffles, displacements (woofer, bracing), length of external port, baffle thickness, port thickness, and number of common port walls. You can also select wood thickness and enter desired gross and net volume. As a result, it shows cut sheet and box stats in real time. The box stats contain values of gross volume, port volume, physical port length, port bends, baffle displacement, port area, port area per foot, port ratio, net volume, and tuning frequency. The calculation formula is also displayed on the interface.

The unit used for calculations can be millimeter, centimeter, or inches. You can also change the view of background, labels, and output boxes by changing respective colors.

The speaker box calculation results can be printed or saved as a TXT file.

It is another good speaker box design software with a straightforward interface.


Boxnotes is a free speaker enclosure design software for Windows. It finds out exact box dimensions to design speaker cabinets. You can use its Min button to select a speaker with minimum dimensions. It provides various arrangements of speakers such as Single 12 inch driver in a box, Twin 12 inch driver in tower box, Quad 12 inch drivers in a square arrangement, etc. Choose one from any of these arrangements and add its dimensions for the calculation purpose. You can also customize the dimensions and other parameters related port, driver location, etc.

The output calculations include Panel Details and Cutting Lists (top panel, front outer panel, bottom panel, shelf brace, rear panel, etc.). Also, it shows resonances like port resonance, driver to top wall resonance, box top to bottom resonance, etc. A graph with all these values is also displayed at the bottom of interface.

It can generate a report including cutting list, trimming list, resonances, port details, and driver details as a TXT file. Also, panel detail and cutting list can be individually printed.

Boxnotes is a decent speaker box design software. It provides customization options like graphing options, unit selection, etc. You can also add sticky notes to your projects.

AJ Vented Designer

AJ Vented Designer is a lightweight, portable speaker design software. Based on speaker parameters, it calculates box results including volume (Vb), box tuning frequency (Fb), cutoff frequency (F3), and length. The input parameters include total Q of loudspeaker (Qts), Electrical Q of loudspeaker (Qes), Resonant frequency (Fs), Equivalent air volume of moving mass suspension (Vas), diameter, number of ports, speaker alignment (SBB4, QB3, SC4), etc.

It provides a Box Calculator tool which lets you calculate box dimensions (length, width, depth) based on volumes (port volume, total volume, etc.). It also shows Power Response and Frequency Response graphs on the main interface.

The unit for calculations can be chosen from Metric and English.

All in all, it can be your another option for a speaker cabinet design software.

Ceiling Speaker Configurator

Ceiling Speaker Configurator is a free software which helps you select proper ceiling speakers. For this purpose, you can configure following parameters:

  • Select desired music level from given list, such as medium to high nightclub music, low nightclub music, high foreground music, high background music, etc.
  • Enter room floor area and ceiling height.

Based on these parameters, it displays JBL Pro ceiling speaker options and tap settings which suit your requirements. It displays calculations like number of speakers required, distance between speakers, and continuous SPL capability. You can generate and view the report.

It also provides a Subwoofer Calculator to compute subwoofers required based on type and number of speakers. It displays required subwoofer model and number of extended bass and superior extended bass subwoofers.

This is a different kind of speaker design software in this list which actually helps you select speaker models based on your requirements.

Ceiling Speaker Wizard

Ceiling Speaker Wizard is a freeware to basically perform calculations for Martin Audio ceiling speakers. These calculations include optimal values of quantity, position, and performance of speakers needed based on your requirements.

In this speaker design software, you need to enter following parameters:

  1. Select unit as Meters or Feet.
  2. Enter venue dimensions including width, length, and height.
  3. Specify ear height.
  4. Select speaker model and power.
  5. At last, customize pattern (square/triangle) and target SPL variation.

Based on specified parameters, it displays number of speakers needed, separation between speakers, first speaker offset, approximate SPL variation, and average SPL.

You can directly print the output on paper or use the same option to save the output as a PDF.

Overall, this is a unique kind of speaker design software which lets you find optimal quantity, position, etc. for your speakers.


WinSpeakerz is a loudspeaker simulation software for Windows. This free version of the software is basically a demo version which has feature restrictions, such as save option is disabled, box calculator is disabled, etc. It comes with a demo speaker project which you can edit and analyze.

Input: For the demo project, you can view system configuration from Edit > Edit System. Here, you can only view demo project specifications to understand and analyze the speaker design analysis better. These specification includes system details (box volume, box loss, closed box Q, number of drivers, etc.), driver parameters (frequency, total Q, electrical Q, resistance, etc.), driver physical and mounting information (outer diameter, number of bolts, depth of driver, magnet weight, etc.), driver general information (impedance, power handling, cone material, surround type, etc.), etc. You can edit few driver and system parameters from window present on the interface, like SPL, Fs, Q, Input Power, Diameter, etc. values.

Output: It lets you visualize various analysis curves like frequency response, excursion response, phase response, groups delay response, impedation response, etc. Also, for plotting graph, you can enable/disable different options like Model Enclosure Response, Model Diffraction Loss, Model Auto Cabin Response, etc. You can choose 2nd order closed box or 3rd order closed box to view respective calculations of values like Box Volume, Resonance, Compliance Ratio, etc.

Additionally, it provides Vent and ‘Crossover and Network’ calculators. You can customize calculation unit, phase range, excursion range, delay range, impedance range, etc.

Although you can’t save the project, print it on paper or as a PDF.

The demo of WinSpeakerz can be used for basic loudspeaker design analysis. For advanced functionalities, you need to buy its pro version which includes driver database, box calculator, etc. features.

Audio Speaker Design CBVBSPK

Audio Speaker Design CBVBSPK, as the name implies, is a free and portable speaker design software. It computes calculations for closed box speaker design and vented (ported) box design. It also displays a Frequency Response graph based on entered parameters. You can print the entire interface with the graph and calculations.

Note: This software is present on a web portal (link given below). You need to search it with its full name to see its description and download it. And, although it is an outdated software made for Windows 2000 and earlier versions, it worked fine on my Windows 10 PC.

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