Stereo Widener Plugins

[DCrown]

Do you use them? Why? I don't see any sense of using them..My daw's pan knobs go from 0 to 100% left and right, so I can decide anyway how to pan an instrument.

I know S1 Waves plugin, there are lots more.
It makes sense to me to convert mono into stereo with Waves PS22, but that's something different

[limeopolis]

Well stereo widening isn't even the same as panning so there's that lol

[skarvika]

I use Melda MStereoProcessor on the mix bus if the overall mix feels too narrow, and for big multisaw leads I like to reduce the width a bit going into the mixer and then reintroduce it with Klevgrand Haaze 2. Stereo widening plugins are a rare use case for me but they do have a use.

[art&sound]

Goodhertz Midside is awesome.

I also just started using Waves Center a bit, which is interesting. SPL BiG looks interesting too, but I'm not sure how many of these things one would really need.

[AGIGA]

I use Melda MStereoProcessor on the mix bus if the overall mix feels too narrow, and for big multisaw leads I like to reduce the width a bit going into the mixer and then reintroduce it with Klevgrand Haaze 2. Stereo widening plugins are a rare use case for me but they do have a use.

MStereoProcessor is a great plugin. Singleband + multiband stereo processing + exciter+ stereo field analyzer.
I often use it to narrow the bass region if it feels to wide. Widening only the upper midrange and/or highs a little, sounds cleaner to my ears as widening the whole spectrum. I also mostly use it on instrument busses not the stereo bus.
Too much widening sounds weird. Especially on headphones where the sound seems to fold back into the center if overused.

[Zeisner]

I use my own combinations of stereo widening and panning (Interaural level+time+spectral differences) to achieve a more realistic sound for panned signals - roominess without any reverberation. Sounds a lot better on headphones without taking anything away from speakers. Much better than classic (ILD) panning.

[DCrown]

Well stereo widening isn't even the same as panning so there's that lol

Well, if I want my stereo mix narrower, I pan 2 bus to 80% or 0 = mono, so what's the difference?
And 100% L and R is the max. amount as far as panning is concerned.
Well, I see some widen just a specific frequency range.

[AGIGA]

Well stereo widening isn't even the same as panning so there's that lol

Well, if I want my stereo mix narrower, I pan 2 bus to 80% or 0 = mono, so what's the difference?
And 100% L and R is the max..amount as far as panning is concerned.

Stereo wideners can make a sound seem to be "outside" of the Monitors (wider than 100% panning).
Also different stereo recording techniques result in differnt perceived wideness. X/Y micing will feel narrower than A/B micing on a drum overhead (both panned 100% L/R). With a stereo widender you can give an X/Y recording some additional sense of with.

[DaveClark]

Well, if I want my stereo mix narrower, I pan 2 bus to 80% or 0 = mono, so what's the difference?
And 100% L and R is the max. amount as far as panning is concerned.
Well, I see some widen just a specific frequency range.

Instead of askng here, one can ask Google AI

QUOTE:
Panning positions a mono or stereo sound within the 90° stereo field by adjusting the volume balance between speakers, defining location
. A stereo widener expands a signal up to 180° by altering phase or delaying signals, making sounds feel larger and "outside" the speakers. Panning fixes location; widening alters perceived size.
Key Differences:

Function: Panning is for position (left/right placement). Widening is for size (expanding the perceived width).
Method: Panning changes relative volume levels (e.g., more volume in the left channel). Wideners often use micro-delays or Mid-Side processing to create stereo information from mono.
Phase Issues: Panning does not typically cause phase issues. Wideners often introduce phase cancellation or "thinning" of the sound, especially if used on low frequencies.
Placement vs. Envelope: Panning moves a sound to a spot. Widening makes a sound "embrace" the listener, often used on pads or background elements.
Utility: Panning handles 90 degrees of the stereo spectrum. Wideners can extend the sound beyond the speakers into a 180-degree field.

When to Use Which:

Panning: Use to place instruments on a virtual stage (e.g., guitar left, keys right).
Stereo Widener: Use to create a massive, immersive feel for pads, overheads, or reverb buses.

Over-using wideners can make a mix sound thin or vanish on mono systems, whereas panning offers more precise control over the mix's balance.

Deeper Dive:

The main difference is that
panning positions a sound within the existing stereo field, while a stereo widener expands or alters that field itself.
Core Differences

Mechanism:
Panning typically works by adjusting the relative volume levels between the left and right channels. For a mono signal, panning 100% left simply turns off the right speaker.
Stereo Wideners use more complex processing, such as Mid-Side (M/S) manipulation, to boost the "difference" between channels. They may also use the Haas Effect (short delays) or phase shifts to create an illusion of width beyond the speakers.
Effect on Sound:
Panning gives instruments a specific "seat" in the mix, like an orchestra's layout.
Wideners make a sound feel larger, more immersive, or like it is "wrapping around" the listener.
Mono Compatibility:
Panning is generally safer; when collapsed to mono, panned tracks simply move to the center.
Wideners carry a high risk of phase cancellation, which can cause a sound to become thin or disappear entirely when played on mono systems (like phones or club speakers).

When to Use Each

Use Panning for:
Placing drums (kick/snare center, hats/toms panned).
Separating two similar instruments (e.g., two guitars) by panning them opposite each other.
Maintaining a focused, solid mix foundation.
Use a Stereo Widener for:
Creating a massive sense of space for synth pads or background vocals.
Making a single mono track sound like it’s in stereo.
Subtle mastering adjustments to "open up" a full mix.

UNQUOTE

[El°HYM]

Lower Side signal a bit, if Harshness is getting too loud.

[DCrown]

KVR could stop existing in future, if everyone just asked AI:
Most fav softsynth?
Xfer Records Serum, Vital, and Arturia Pigments are widely considered the most popular and favorite softsynth plugins, praised for their versatile wavetable engines, intuitive visual interfaces, and extensive modulation capabilities. Serum is a top-tier industry standard, while Vital is highly favored as a powerful, free alternative.

Most popular reverb plugin:

Valhalla DSP's, particularly Valhalla Room and Valhalla VintageVerb, are arguably the most used reverb plugins due to their popularity in EDM and professional mixing for being affordable, versatile, and high-quality. Other top contenders include the FabFilter Pro-R2, Lexicon 224 (via UAD), and Waves H-Reverb.

I hope no one will ever start a reverb thread again.
I thought KVR is about sharing experiences.and ideas, too.

Plugin Manufacturer Market Share: Waves Audio holds the largest share (14%) of global plugin usage, followed by Universal Audio (11%).

Don't ask here, ask AI and buy!

Best compressor plugin for drums.

Top drum compressor plugins include the API 2500 for punch, FabFilter Pro-C 2 for versatile, clean control, and Softube Valley People Dynamite for extreme snap. For character and bus compression, popular choices are the Brainworx Townhouse, IGS Wolf, and UAD 1176.

Best saturation plugins:

Top saturation plugins for adding warmth, harmonics, and grit include versatile tools like Soundtoys Decapitator and FabFilter Saturn 2. For analog-style color, Black Box Analog Design HG-2 and Klanghelm SDRR2 are top choices, while Softube Saturation Knob remains a premier free option. These plugins excel at enhancing drums, vocals, and bass, often used for adding "glue" and excitement to mixes.

Top used stereo widening plugins in 2026 include free, high-quality options like Polyverse Wider and iZotope Ozone Imager, alongside industry standards such as Waves S1 and Leapwing StageOne. These tools allow producers to enhance spatial width, create 3D, and manage phase coherency on individual tracks or full mixes.

I am not compatible with AI results, I only use two plugins AI suggested, just sometimes, well, not really often to be honest.

[Harry_HH]

I remember in early 2000 producer forums included quite a lot discussion about 3D in stereo-based production.
People created horizontal placement often manually without any plugin, by track doubling/phase inverting: This technique, also called as an "oops-effect" involves doubling a track (like a guitar arpeggio) and inverting its phase to achieve a wider, more spatial sound. Then the result was fine-adjusted by using slightly delay and reverb. And by panning, of course.
To the vertical placement of the source you use Eq, volume, delay and reverb.
The mono compatibility is one thing to take into account.

[AGIGA]

KVR could stop existing in future, if everyone just asked AI:

Yes I think we can fold this whole KVR operation now, since AI will tell us everything we need to know.

[billinder33]

Never use traditional wideners (stereo delay/phase) because of the potential for mono compatibility issues.

That said, I'll often enhance the sides in mastering by pulling up the sides a tad as part of a MS compression process. Or on rare occasion boosting side high frequencies with an EQ. And I generally have a slight width enhancement by having EQ variations on the Left and Right (TDR Slick EQ makes this easy).

[cryophonik]

I use wideners for a few different purposes, including narrowing/mono-izing bass frequencies while maintaining the stereo image in the mid/high frequencies and for carving out the middle to make room for vocals or leads/solos. It's definitely not the same thing as panning.