FIR Filter software for loudspeakers

Audio FIR Filter Design Software

FIR Designer M, FIR Designer, FIR Creator & FIR Creator EX are intuitive audio FIR filter design tools for building powerful FIR and mixed FIR + IIR processing solutions that leverage both the efficiency of IIR filtering and the arbitrary response capabilities of FIR filtering. Learn more about FIR filtering for loudspeakers.

Complementary Averager software combines loudspeaker measurements into a single response, for use in any audio tool & for plotting.

Download a free version of any product & use for as long as you’d like.

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Free Demo Version
Free Demo Version
Cost per year (free updates + support)
Cost per year (free updates + support)
One-time cost (no updates, limited support)
One-time cost (no updates, limited support)
Operating System
Operating System
Project windows
Project windows
Simultaneous multi-way presets
Simultaneous multi-way presets
Second View
Second View
Supplementary Responses View
Supplementary Responses View
Continuous Wavelet (time/frequency) Display
Continuous Wavelet (time/frequency) Display
Comprehensive Measurement Import File Formats
Comprehensive Measurement Import File Formats
SMAART® Control (Live Measurement Import)
SMAART® Control (Live Measurement Import)
Import Measurement Resampling
Import Measurement Resampling
Comprehensive Export File Formats
Comprehensive Export File Formats
Maximum FIR tap length
Maximum FIR tap length
FIR Filter Sample Rates (kHz)
FIR Filter Sample Rates (kHz)
Measurement-based and Direct Design workflows
Measurement-based and Direct Design workflows
User defined Target Response
User defined Target Response
Extensive shaping and crossover filter options
Extensive shaping and crossover filter options
Create Custom Speaker Presets
Create Custom Speaker Presets
Gain, Polarity & Delay options
Gain, Polarity & Delay options
Direct-to-Processor
Direct-to-Processor
Side-load pre-existing FIR filters
Side-load pre-existing FIR filters
IIR Filters
IIR Filters
IIR Filter Modes
IIR Filter Modes
IIR Reference Mode & Editor
IIR Reference Mode & Editor
IIR Coefficient Export
IIR Coefficient Export
Magnitude Adjust Filters
Magnitude Adjust Filters
Phase Adjust Filters
Phase Adjust Filters
Auto Magnitude Bands
Auto Magnitude Bands
Auto Phase Bands
Auto Phase Bands
Voicing EQ Filters
Voicing EQ Filters
Coherence (Auto Mag & Auto Phase)
Coherence (Auto Mag & Auto Phase)
Impedance
Impedance
Measurement Averaging
Measurement Averaging
Integrated Help
Integrated Help
One-way moveable License
One-way moveable License
Licence support
Licence support

FIR Creator

Standard Option

Free Demo Version
Cost per year (free updates + support)
One-time cost (no updates, limited support)
$249
Operating System
macOS & Windows
Project windows
Single
Simultaneous multi-way presets
Second View
Supplementary Responses View
Continuous Wavelet (time/frequency) Display
Comprehensive Measurement Import File Formats
SMAART® Control (Live Measurement Import)
Import Measurement Resampling
Comprehensive Export File Formats
Maximum FIR tap length
16384, 32768, 65536
FIR Filter Sample Rates (kHz)
44.1, 48, 96
Measurement-based and Direct Design workflows
User defined Target Response
Two slope segments and Target Response file
Extensive shaping and crossover filter options
Create Custom Speaker Presets
Gain, Polarity & Delay options
Direct-to-Processor
Side-load pre-existing FIR filters
IIR Filters
8
IIR Filter Modes
General only
IIR Reference Mode & Editor
IIR Coefficient Export
MiniDSP
Magnitude Adjust Filters
8
Phase Adjust Filters
8
Auto Magnitude Bands
1
Auto Phase Bands
1
Voicing EQ Filters
Coherence (Auto Mag & Auto Phase)
Impedance
Measurement Averaging
Integrated Help
One-way moveable License
Licence support

FIR Creator EX

Standard Option
+ Pro Export

Free Demo Version
Cost per year (free updates + support)
One-time cost (no updates, limited support)
$299
Operating System
macOS & Windows
Project windows
4
Simultaneous multi-way presets
Second View
Supplementary Responses View
Continuous Wavelet (time/frequency) Display
Comprehensive Measurement Import File Formats
SMAART® Control (Live Measurement Import)
Import Measurement Resampling
Comprehensive Export File Formats
Maximum FIR tap length
16384, 32768, 65536
FIR Filter Sample Rates (kHz)
12, 24, 44.1, 48, 96
Measurement-based and Direct Design workflows
User defined Target Response
Two slope segments and Target Response file
Extensive shaping and crossover filter options
Create Custom Speaker Presets
Gain, Polarity & Delay options
Direct-to-Processor
LAKE (Lab Gruppen), Powersoft
Side-load pre-existing FIR filters
IIR Filters
8
IIR Filter Modes
General, Linea Research, Powersoft
IIR Reference Mode & Editor
IIR Coefficient Export
MiniDSP
Magnitude Adjust Filters
8
Phase Adjust Filters
8
Auto Magnitude Bands
1
Auto Phase Bands
1
Voicing EQ Filters
Coherence (Auto Mag & Auto Phase)
Impedance
Measurement Averaging
Integrated Help
One-way moveable License
Licence support

FIR Designer

Pro Option
(Single-channel
workflow)

Free Demo Version
Cost per year (free updates + support)
$299
One-time cost (no updates, limited support)
$599
Operating System
macOS & Windows
Project windows
Unlimited
Simultaneous multi-way presets
Second View
Supplementary Responses View
Continuous Wavelet (time/frequency) Display
Comprehensive Measurement Import File Formats
SMAART® Control (Live Measurement Import)
Import Measurement Resampling
Comprehensive Export File Formats
Maximum FIR tap length
16384, 32768, 65536
FIR Filter Sample Rates (kHz)
12, 24, 44.1, 48, 88.2, 96, 176.4, 192
Measurement-based and Direct Design workflows
User defined Target Response
LF shelf, unlimited slope segments, mag and phase filters, and a Target Response file
Extensive shaping and crossover filter options
Create Custom Speaker Presets
Gain, Polarity & Delay options
Direct-to-Processor
LAKE (Lab Gruppen), Powersoft
Side-load pre-existing FIR filters
IIR Filters
Unlimited
IIR Filter Modes
General, Linea Research, Powersoft, QSC Q-Sys, Symetrix
IIR Reference Mode & Editor
IIR Coefficient Export
MiniDSP & general transfer functions
Magnitude Adjust Filters
Unlimited
Phase Adjust Filters
Unlimited
Auto Magnitude Bands
Unlimited
Auto Phase Bands
Unlimited
Voicing EQ Filters
Unlimited
Coherence (Auto Mag & Auto Phase)
Impedance
Measurement Averaging
Integrated Help
One-way moveable License
Licence support

FIR Designer M

Pro Option
(Multi-channel
workflow)

Free Demo Version
Cost per year (free updates + support)
$399
One-time cost (no updates, limited support)
Operating System
macOS & Windows
Project windows
Unlimited
Simultaneous multi-way presets
Up to 6-way
Second View
Supplementary Responses View
Continuous Wavelet (time/frequency) Display
Comprehensive Measurement Import File Formats
SMAART® Control (Live Measurement Import)
Import Measurement Resampling
Comprehensive Export File Formats
Maximum FIR tap length
16384, 32768, 65536
FIR Filter Sample Rates (kHz)
12, 24, 44.1, 48, 88.2, 96, 176.4, 192
Measurement-based and Direct Design workflows
User defined Target Response
LF shelf, unlimited slope segments, mag and phase filters, and a Target Response file
Extensive shaping and crossover filter options
Create Custom Speaker Presets
Gain, Polarity & Delay options
Direct-to-Processor
LAKE (Lab Gruppen), Powersoft
Side-load pre-existing FIR filters
IIR Filters
Unlimited
IIR Filter Modes
General, Linea Research, Powersoft, QSC Q-Sys, Symetrix
IIR Reference Mode & Editor
IIR Coefficient Export
MiniDSP & general transfer functions
Magnitude Adjust Filters
Unlimited
Phase Adjust Filters
Unlimited
Auto Magnitude Bands
Unlimited
Auto Phase Bands
Unlimited
Voicing EQ Filters
Unlimited
Coherence (Auto Mag & Auto Phase)
Impedance
Measurement Averaging
Integrated Help
One-way moveable License
Licence support

Do you need features or functionality currently not offered by our software tools? Please tell us!

(we’re a small company and our development efforts often begin with customer feedback)

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