Zynaptiq UNFILTER review
A focused corrective-EQ plugin for restoring recordings, not a complete mixing suite.
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
When recordings carry unwanted resonances, roll-offs or comb-filtering, UNFILTER offers a focused plugin toolkit to detect and correct those problems. It is aimed at audio editors and engineers working in music production, film post, game audio, broadcast, sound design or forensics who need tonal correction inside a DAW. The published product details describe a desktop plugin for Windows and macOS, rather than a standalone mixer or a broader production environment.
Its distinguishing workflow is measured filter-response transfer: UNFILTER can capture a response from one recording and apply it to another, with linear- or minimum-phase impulse-response WAV import and export. For material that changes over time, adaptive equalization can adjust the correction; free-form EQ with curve interpolation, a seven-band graphic equalizer and a steep shelving high-pass filter provide more direct shaping options. An output limiter is also included for batch processing. This combination makes the product more relevant when repair and contour matching are the task than when a project calls for a general-purpose mixing tool.
According to the vendor's pricing page, UNFILTER costs $269 as a one-time purchase, with a plugin license; a 30-day free trial is available. Purchase is fulfilled by authorized resellers, and the software requires a DAW-compatible host. That makes it a considered buy for editors who regularly encounter filter artifacts or need measured-response transfer, especially if those tasks justify a dedicated corrective plugin. Those seeking a complete mixer, stem separation or automatic dynamics should look elsewhere; the published feature set is centered on stereo EQ correction, not those broader capabilities.
Zynaptiq UNFILTER pros and cons
- Where it wins
- Detects resonances, roll-offs, EQ and comb-filtering effects
- Transfers measured filter responses between recordings
- Offers adaptive, free-form and graphic equalization
- Where it doesn't
- Costs $269 as a one-time purchase
- Requires a DAW-compatible host
- Focuses on stereo corrective processing rather than full mixing
Zynaptiq UNFILTER fact sheet, pricing and score →
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