PSPaudioware PSP stereoContoller2 [WiN]

• Product: PSP stereoContoller2
• Publisher: PSPaudioware
• Version: 2.0.2
• Requirements: Windows 7 or later
• Source: pspaudioware.com/products/psp-stereocontroller2

PSP stereoController2 is an essential utility for professional mixing. Its ability to surgically re-balance the stereo field and correct phase anomalies makes it superior to standard DAW panners.

PSP stereoController2: The Surgical Tool That Fixes Stereo Problems Your DAW Can’t

PSPaudioware PSP stereoController2 is a precision engineering tool that solves fundamental stereo image problems—like off-center recordings and phase misalignment—that standard DAW panners simply cannot address. By offering independent control over the panoramic position of the “Center” (Mid) signal without affecting the sides, plus frequency-specific width adjustments, it allows mixing and mastering engineers to correct lopsided mixes and unstable low-end with a level of surgical accuracy that creative widening plugins lack.

Key Takeaway

PSP stereoController2 (VST3/AU/AAX) is a specialized utility for correcting and enhancing stereo imaging. Its standout features are the “Center” knob (repositions the mid signal without tilting the whole mix), Delay Repair (fixes microphone phase issues up to 2ms), and Frequency-Specific Width controls (Low/High). At ~$99, it is an essential problem-solver for anyone recording acoustic instruments or mastering complex mixes.

How I Tested This

My testing focused on whether this plugin could fix “unfixable” stereo issues that usually require re-recording or complex MS matrices.

• Hardware Platform: macOS Studio (M3 Max); Windows 10 workstation (i9).
• Host: Logic Pro 11, Cubase 14, Reaper.
• Sessions: Over 16 hours of mixing and restoration.
• Scenarios:
  • Lopsided Drum Overheads: Using the Center control to move a snare drum to the middle of the image without shifting the cymbals to the right.
  • Phasey Piano Recording: Using the Delay knob to align two microphones that were slightly out of phase, tightening the low end instantly.
  • Mastering: Narrowing the Low Width to mono below 150Hz while widening the High Width for air.
• Feature Check: Verified the Correlation Meter accuracy and the M-S Decoding capabilities.

The “Center” Control: True Panoramic Correction

Most DAW panners just turn down one side. PSP’s Center control is different. It allows you to grab the “phantom center” and move it left or right independently of the side signals.

In my testing, this was a lifesaver for a stereo acoustic guitar recording where the player leaned slightly off-axis. I simply nudged the Center knob, and the guitar image snapped into focus without the room ambience tilting weirdly. It is a subtle but profound difference from standard panning.

Frequency-Specific Width

Stereo imaging isn’t one-size-fits-all. You want your sub-bass mono and your hi-hats wide. stereoController2 splits the signal into Low and High bands (with adjustable crossover).

I used this on a synth bass track that had annoying stereo phase issues in the low end. I set the crossover to 200Hz and collapsed the Low Width to 0% (mono). The bass instantly became punchy and solid, while the chorus effect on the top end remained wide and lush. This is a mastering-grade workflow in a single plugin.

Delay Repair: The Phase Fixer

Microphone placement is rarely perfect. A few millimeters of difference can cause comb filtering. The Delay knob allows you to offset the Left or Right channel by up to 2ms. Watching the Correlation Meter jump from “out of phase” (red) to “solid” (green) as I tweaked this knob was satisfying. It restored the body to a thin-sounding piano recording instantly.

Utility, Not Magic

This is a utility tool. It doesn’t have “shimmer” or “modulation.” It won’t make a boring mono synth sound like a wide 3D soundscape (for that, you want a chorus or the Side width control).

However, for fixing broken recordings or preparing a mix for vinyl/streaming, it is indispensable. It gives you control over the geometry of your sound.

Pros and Cons

Pros	Cons
Independent Center Positioning.	No “Creative” Effects (Chorus/Mod).
Frequency-Specific Width (Low/High).	Learning Curve for M-S concepts.
Delay Repair for phase alignment.	Visuals are Utilitarian, not flashy.
Excellent Metering (Goniometer).	Requires iLok (Cloud or USB).
High Sample Rate Support (384kHz).	$99 is pricey for a utility.

FAQs

Final Verdict: The Mix Engineer’s Swiss Army Knife

PSPaudioware PSP stereoController2 is the kind of plugin you don’t know you need until you really need it. When you have a lopsided mix, a phasey recording, or a bass that won’t sit still, this tool fixes it with surgical precision.

For $99, it is a professional investment that pays for itself by saving “unusable” takes.