PolygonSheep’s Stealth Delay is a professional stereo delay plugin built for DAW workflows. It is positioned as more than a conventional echo/delay: it combines delay, filtering, modulation, and several audio effects within a single plugin. It is suitable for recording artists, electronic music producers, and sound effects creators working on instrument tracks, synth/bass lines, spatial effects, and experimental sound design.
In terms of functionality, Stealth Delay offers Stereo, Mid/Side, and Ping-Pong delay modes. The left and right channels’ delay amount and feedback can be linked or controlled independently, and they can be synced to the DAW tempo. The feedback loop includes independent HP/LP filters, with feedback up to 120%. The effects section includes diffusion, overdrive, ducking, reverse, and gate; the modulation section includes LPF, HPF, Notch, Phaser, Chorus, and Volume, with support for LFO waveforms and tempo sync. One highlight is that each module can be used individually or in combination—for example, setting the delay to zero and using diffusion to create a reverb-like sense of space, or using only modulation for filter sweeps.
The licensing terms are fairly clear: it is a single-user license that can be installed on multiple computers owned and used only by the license holder, covering supported platforms and plugin formats, and it includes free lifetime updates. DRM is handled through a simple registration code and does not require the computer to be online, which is friendly for offline audio workstations. The license can be transferred once after 3 months from direct purchase, after which it is marked NFR. Compatibility includes Windows XP SP2 and later, Mac OSX 10.7 and later, with formats including 32/64-bit VST2, VST3, and Mac AU. The source text does not provide a specific price; it only states that discounts are generally not offered, that launch discounts may be available for new products, and that educational multi-license purchases should contact the official team.
Its strengths are high feature density and relatively straightforward control logic. A resizable GUI, 12 color themes, and mouse-over tips help reduce the learning curve. It can also replace several basic delay, filter, and modulation plugins. Downsides include the lack of disclosed pricing, payment methods, and preset library size, while support appears to rely mainly on the FAQ and contact form. The system compatibility information also feels somewhat dated. It is best suited for music producers who need a local plugin, value flexible sound design, and prefer offline authorization. It is not suitable for visual design, graphic creative work, or teams that require cloud collaboration.
The crawled text does not provide information about availability, payment, or downloads in mainland China, so the status is unknown. If purchasing is restricted, comparable delay/multi-effect plugins include Soundtoys EchoBoy, FabFilter Timeless, ValhallaDelay, and Waves H-Delay.
⚠ This review is compiled from public sources and does not constitute a purchase recommendation. Verify all facts on the vendor's official site. Verify on polygonsheep.com official site.
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