Precision EQ plug-in with up to 24 bands, dynamic EQ, and spectral dynamics processing.
VST3supportedAUsupportedAAXsupportedCLAPsupportedWINsupportedMACsupportedLNXnot supported
Checked September 2026
FabFilter Pro-Q 4 vs TDR VOS SlickEQ (2026)
FabFilter Pro-Q 4 is best for surgical and creative equalization with a fast visual workflow; TDR VOS SlickEQ is best for musical EQ shaping with vintage analog character. FabFilter Pro-Q 4 starts at $199 one-time and TDR VOS SlickEQ at Free.
Free mixing/mastering EQ with four vintage-modeled EQ character options.
VST3supportedAUsupportedAAXsupportedCLAPnot supportedWINsupportedMACsupportedLNXnot supported
| FabFilter Pro-Q 4 | TDR VOS SlickEQ | |
|---|---|---|
| Best for | surgical and creative equalization with a fast visual workflow | musical EQ shaping with vintage analog character |
| Starting price | $199 one-time | Free |
| Free version | No | Yes |
| Free trial | Yes | — |
| Formats | VST3, AU, AAX, CLAP | VST3, AU, AAX |
| OS | Windows, macOS | Windows, macOS |
| Key features | Up to 24 EQ bands with multiple filter shapes, Dynamic EQ mode with adjustable attack/release, Spectral dynamics processing, Dolby Atmos support up to 9.1.6, EQ Sketch for freehand curve drawing | 3 semi-parametric bands plus 18dB/oct high-pass filter, American, British, German, Soviet EQ voicing models, Five-stage output saturation, Auto gain with loudness compensation, Stereo and mid/side processing modes |
| Developer | FabFilter | Tokyo Dawn Records |
Questions people ask
FabFilter Pro-Q 4 starts at $199 one-time; TDR VOS SlickEQ starts at Free.
Up to 24 EQ bands with multiple filter shapes, Dynamic EQ mode with adjustable attack/release, Spectral dynamics processing, Dolby Atmos support up to 9.1.6, EQ Sketch for freehand curve drawing.
3 semi-parametric bands plus 18dB/oct high-pass filter, American, British, German, Soviet EQ voicing models, Five-stage output saturation, Auto gain with loudness compensation, Stereo and mid/side processing modes.