Hear what your speakers
were designed for.

Minimum-phase FIR. Lightning-fast convolver.

· macOS only ·

32,768
filter taps
11% CPU
at 32 sample buffer
Apple M1
0 ms
added latency
1.

Measure

Play a continuous log-sweep while moving the mic. Capture a true spatial power response in seconds.
FIRForge Studio — System measurement
2.

Design

Generate a clean minimum-phase correction filter.
FIRForge Studio — Filter design
3.

Convolve

Load the filter into the real-time convolver and hear the difference instantly.
FIRForge Convolver — VST3/AU plugin
4.

Tune

Shape your target curve with parametric EQ bands. Every change instantly rebuilds a phase-coherent minimum-phase filter.
FIRForge Convolver — Target Curve Editor
Products

Measure. Design. Convolve.

FIRForge Studio — Power Response frequency measurementFIRForge Studio — designed FIR correction filter
Click to expand

FIRForge Studio

Measurement App

Standalone macOS app. Measure your system, design the correction filter, export.

  • Log-swept sine measurements with continuous playback
  • Moving-mic spatial averaging
  • Acoustic power response with 1/6-octave smoothing
  • Instant filter response visualization
  • 4k–32k tap FIR export
  • 48 kHz and 96 kHz support
FIRForge Convolver — VST3/AU plugin interfaceFIRForge Convolver — Target Curve parametric EQ editor
Click to expand

FIRForge Convolver

VST3 + AU Plugin

Zero-latency FIR convolution plugin. Loads filters from FIRForge Studio or any WAV IR.

  • Zero added latency at any buffer size
  • 32,768 taps at 11% CPU (Apple M1, 32-sample buffer)
  • Independent stereo L/R filter loading
  • Linked L/R mode with auto-level matching
  • Built-in Target Curve parametric EQ
  • 5 factory presets + 3 user preset slots
  • Load any WAV impulse response
  • VST3 + AU · Universal Binary
RequirementsmacOS 11+ (Big Sur or later)Universal Binary — Intel + Apple SiliconApple Silicon recommended for ≤ 32-sample buffer
Pricing

One-time purchase. No subscriptions.

14-day free trial.

FIRForge

Everything you need — measure, design, convolve.

$149one-time
  • FIRForge Studio — measure & design filters
  • FIRForge Convolver — VST3 + AU plugin
  • Built-in Target Curve EQ + presets
  • 2 activations included