P915 MEDUSA
Overview
P915 Medusa is a Parallel Frequency Balancer
It does not perform corrective equalization.
It reinforces fixed spectral regions and blends them with the original signal, shifting perceived weight, articulation, and density through contrast rather than removal.
Nothing is cut.
Nothing is repaired.
What changes is how the spectrum is perceived as a whole.
Additive by Design
Each active band reinforces energy within a defined spectral zone.
Any apparent reduction elsewhere is perceptual, the ear responding to redistributed balance rather than filtering.
The spectrum is reweighted, not reduced.
Cohesion emerges from reinforcement, not precision cuts.
Parallel by Default
Medusa operates alongside the original signal.
The dry signal remains intact while the reinforced structure is blended in, preserving transients, low-end stability, and overall balance. Because the effect is relational, small blend amounts are sufficient on individual sources, buses, and full mixes.
Auditioning the contribution alone reveals the active spectral structure, enabling deliberate shaping or isolation without reliance on meters.
Structure Over Correction
Medusa is not a surgical tool and is not intended for tonal repair.
Its bands are interdependent by design, producing changes perceived as organization, depth, and motion rather than isolated boosts or cuts. This is why its impact may appear modest on meters while remaining immediately audible in context.
Fixed Architecture, Extended Control
Medusa is built on a fixed filter bank topology derived from verified hardware behavior.
Natural band interaction is preserved, while modern extensions introduce stereo operation, routing flexibility, and workflow-focused control.
P915 Medusa shapes balance and structure, not sound correction.
Videos
Features
Additive fixed filter bank architecture
Fourteen fixed-frequency, inductor-based filter cells
Parallel signal path with preserved dry signal
DELTA monitoring for contribution-only auditioning
BLEND control for parallel integration
Optional stereo SPLIT operation
TIME circuit for controlled time-domain interaction
DENSITY control for harmonic solidity
Audio Examples
Artist Reviews
Specification
Supported Plugin Formats
AU, VST3, AAX (Apple Silicon ready).
Supported Operating Systems
macOS 10.14+
Windows 7+
Mac
Apple RISC M chip and Intel CPU (Universal 2 Binary)
PC
x64-compatible CPU
System Requirements
Display resolution: 1440 × 900px or 1280 × 960px or higher
Memory: 2 GB RAM
Copy Protection
A one-time challenge & response over the internet. License works on up two separate machines.
Downloads
Latest User Guide
For previously authorized computers
- An LED on the band dials to indicate when it is shut off for easy visualization.
- Fixed bug with modifier key combo.
- Official release.
30-Day Free Demo
Start your fully functional 30-day demo on 2 computers: click the “DEMO” button, complete checkout, and receive your authorization code by email.
With every full version purchase, a gift of custom handmade real calf hide wallet (lighter, softer and finer grain than cowhide) made here in Türkiye by a local artisan shop.
Enter the new reimagined P915 MEDUSA Fixed Filter Bank. A filter which adds subtle or not so subtle resonances to the signal or removing frequency bands altogether. This process, when mixed in with the unaltered, “dry” signal, can mimic the actual behavior of a traditional instrument. It can also act on its own as a unique and creative source of sound shaping possibilities not available in other filter structures.
At first I didn’t really gel with the P915 but after watching Ziad’s instructional video on the plugin I immediately saw how indispensable it would become for my projects. The chosen filters are excellent and I can really coax out tones I wouldn’t easily find with other tools. Many times I’ve been in a situation where I’ve been trying to solve a problem for a long time using EQs and filters and the like and nothing would work until I slapped the P915 on the project and everything would just fall into place after a few twists of a knob.
It is a really great tool to highlight elements in your mixes or just to bring more life to your instruments and even bring out an organic width to your mix. I really recommend getting this plugin even if it might not call to you straight away.
Don’t sleep on this plugin! It seems straightforward enough, but there is some magic in the filters! The tilt control was a great design idea, very useful. The resonance controls on the HPF/LPFs can help make musical choices. As others have said, the P915 excels on electric guitars, you can really build a wall of sound if that’s your thing!
Even though I got it a while ago, I have not really explored it to its fullest. Recently, I used it on a mix with acoustic instruments, such as a fiddle, dobro, and acoustic guitar, with some very nice results.
I need to explore it more, but so far I have enjoyed the results, which are different when compared to just using an eq.
P915 Medusa
After buying plugins since 2012, you eventually reach a point where you stop—most “new” releases are just variations of tools you already own. And then along comes Medusa.
I can’t fully explain what’s happening under the hood—only that nothing else sounds or works quite like it. Medusa has completely changed the way I think about tone and how to achieve the sounds I’m after.
I often run it in parallel with a touch of distortion to emphasize key elements and bring them forward in the mix. I’ve also built a custom preset that adds a stunning sense of width—not the artificial kind most stereo wideners give you, but a spacious, organic feel. On stereo rock guitars, it’s just gorgeous: it opens up the sound and nestles perfectly into the mix.
And to top it off? It’s incredibly CPU friendly, so I can use it freely without worrying about performance.
トラックEQのような感覚で使える音作りに便利なフィルターです。
色付けをしないで原音を活かしたい時にP422の代わりに選択肢に挙がります。
フィルターの出力も一般的なWet/Dryの方式から、SUMスイッチでDry+Wet/Dryの方式に切り替える事が出来る点が良いです。
P565のようにLFOは無いですがディレイも搭載しています。L/Rだけでなく、上段と下段の周波数で別々のディレイタイムを設定出来たり、フィルターを二点間で動かす事が出来たりなど珍しい機能もあります。
一見すると地味なフィルターなのですが、使いやすくて色付け無しで好みの音を作りやすいのでPulsarmodularのプラグインで一番好きなプラグインです。