A free parallel dynamic equalizer combining parametric EQ with full dynamics processing.
VST3supportedAUsupportedAAXsupportedCLAPnot supportedWINsupportedMACsupportedLNXnot supported
Checked September 2026
Best Voxengo TEQ-421 alternatives (2026)
The closest Voxengo TEQ-421 alternatives are TDR Nova, FabFilter Pro-Q 4, Kilohearts Essentials, based on overlapping categories and operating systems. Voxengo TEQ-421 is best for quick, musical tone shaping and starts at Free.
Precision EQ plug-in with up to 24 bands, dynamic EQ, and spectral dynamics processing.
VST3supportedAUsupportedAAXsupportedCLAPsupportedWINsupportedMACsupportedLNXnot supported- FREE
Kilohearts
Kilohearts Essentials
Free collection of over 30 effects usable as DAW plugins or Snapins.
VST3supportedAUsupportedAAXsupportedCLAPnot supportedWINsupportedMACsupportedLNXnot supported - FREE
MeldaProduction
MFreeFXBundle
Free bundle of 38 effects covering EQ, dynamics, reverb, and distortion.
VST3supportedAUsupportedAAXsupportedCLAPnot supportedWINsupportedMACsupportedLNXnot supported Free mixing/mastering EQ with four vintage-modeled EQ character options.
VST3supportedAUsupportedAAXsupportedCLAPnot supportedWINsupportedMACsupportedLNXnot supportedFree real-time FFT spectrum analyzer for professional mixing and mastering.
VST3supportedAUsupportedAAXsupportedCLAPnot supportedWINsupportedMACsupportedLNXnot supportedFree British-style channel strip EQ and preamp simulator.
VST3supportedAUsupportedAAXsupportedCLAPnot supportedWINsupportedMACsupportedLNXnot supportedA free linear-phase 16-band graphic equalizer suited to mixing and mastering.
VST3supportedAUsupportedAAXsupportedCLAPnot supportedWINsupportedMACsupportedLNXnot supportedA free Swiss-army-knife plugin with EQ, waveshaper, band-splitter and filters.
VST3supportedAUsupportedAAXnot supportedCLAPsupportedWINsupportedMACsupportedLNXsupportedA free 7-band harmonic graphic equalizer.
VST3supportedAUsupportedAAXsupportedCLAPnot supportedWINsupportedMACsupportedLNXnot supported
Read the full Voxengo TEQ-421 review →
Questions people ask
TDR Nova is the closest match: it is best for frequency-selective compression and dynamic EQ and starts at Free.
Yes: TDR Nova, FabFilter Pro-Q 4, Kilohearts Essentials, MFreeFXBundle, TDR VOS SlickEQ, SPAN, BritChannel, Voxengo Marvel GEQ, ChowMultiTool, Voxengo Overtone GEQ.