Powerful Software for Loudspeaker Optimisation


 macOS & Windows supported

one-way movable licenses

free demo download, no time limit

FIR Designer M

USD $489 +tax (annual subscription)

Provides up to 6-way, simultaneous multi-channel filter design. Create FIR filters and complete mixed FIR + IIR filter loudspeaker presets for single and multi-way loudspeakers, using multi-way loudspeaker driver measurements. Simulate the combined multi-way frequency response and time/frequency (wavelet) behaviour. Evaluate filtering presets in real-time using auditionDSP.

Includes all the functionality of (single channel) FIR Designer within a simultaneous multiple-channel development framework, and includes an integrated Help menu for enhanced ease of use. FIR Designer M is a focus of ongoing product development efforts & is regularly updated to ensure the latest advances in FIR filter design are always available to manufacturers, integrators & installers.

Video Tutorial  |  Product Information Release Notes  |  Demo

FIR Designer M screenshot - FIR software for loudspeakers - Setup page screenshot

FIR Designer M screenshot - FIR software for loudspeakers - Export page screenshot

FIR Designer

USD $299 +tax (annual subscription) or
USD $599 +tax (one-time payment)

Full-featured, individual-channel filter design software. Build complete FIR or mixed FIR + IIR filter loudspeaker presets by combining filters created separately for each channel. FIR Designer includes all the functionality of FIR Creator EX plus built-in Averaging, Second View, Continuous Wavelet Display & Coherence functionality. It provides unlimited IIR Filters, Magnitude Adjust filters, Phase Adjust Filters, Auto Magnitude Bands, Auto Phase Bands & Project Windows, and also offers additional sample rate options & user-defined target responses.

Video Tutorial  |  Product Information  |  Release Notes  |  Demo

The $299 subscription license provides automatic access to the latest version of the software, which (along with FIR Designer M) is the focus of ongoing product development.

The $599 perpetual license can be used indefinitely with no additional payments. The feature set is ‘frozen’ at purchase, with no access to any updates or new features. (Bug fix updates will be provided if necessary).

FIR Designer screenshot - FIR software for loudspeakers - Wavelet page screenshot showing loudspeaker wavelet developed in FIR Designer

FIR Creator EX

USD $299 +tax (one-time payment)

Advanced Pro Export version of FIR Creator. Includes Direct-to-Processor function (for Powersoft and Lake Processing) & the addition of Summary Output Files in combination with FIR &/or IIR filter files, which can be used to build a complete loudspeaker preset (DSP signal chain). 

Product Information  |   Release Notes Demo

FIR Creator EX - filter creation tool for loudspeakers - Screenshot of the Powersoft & Lake export options

FIR Creator

USD $249 +tax (one-time payment)

Create FIR filters and mixed FIR + IIR filtering solutions for loudspeakers. Uses measurements from any measurement tool (such as Systune, Easera, Smaart®, Klippel & more) as the basis for filter design. Load filters into products from Powersoft, Linea Research, miniDSP or another FIR capable speaker processor or amplifier. 

Product Information  |  Release Notes  |  Demo

FIR Creator screenshot - filter creation software for loudspeakers - Magnitude Adjustment page


$0 (its free!)

Combine loudspeaker measurements into a single response, for use in any audio tool & for plotting. Load data from any measurement tool, such as Systune, Easera, Smaart®, Klippel & more).

Product Information  |  Release Notes  |  Free Download

Averager screenshot - measurement averaging tool for loudspeakers - Save page screenshot

Feature Comparison Table
FIR Creator

Standard Option
FIR Creator EX

Standard Option
+ Pro Export
FIR Designer
Pro Option
FIR Designer M
Pro Option

SMAART is a registered trademark of Rational Acoustics LLC, Connecticut, USA.