True AB Referencing
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True AB Referencing

True AB Referencing

True AB helps you hear why your mix sounds different from a released track, from overpowering bass to details that get lost. Compare at matched loudness, see frequency differences, and explore phone, car and club speaker models without leaving your session.

Celebrate Rapid Flow’s four-year anniversary with us: fill out the newsletter signup form below for a code to get the full plugin 100% free, yours to keep.

$39
$39
Sale
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YOUR ROOM LIES. YOUR REFERENCE DOESN'T.

Producers icon 20,445 producers
★★★★★
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Stop Guessing What Your Mix Needs.

True AB Referencing helps you hear how your track stacks up against released music, so you know what needs adjusting before it leaves your studio.

  • Compare at matched loudness
  • Check phone, car and club playback
  • Hear what disappears in mono

One Comparison Changed How I Mix.

For the first five years of my career, I underestimated A/B referencing. Then I took my laptop to a club where I used to DJ and played my unfinished track beside a released record. I immediately heard differences I’d been missing in the studio.

That experience showed me why referencing matters. We made flow AB referencing so you can make those comparisons inside your own session and hear what needs work, whatever setup you’re mixing on.

Erik Heirman, Founder of Rapid Flow

Hear your Mix Beside a Finished Track

Switch between your mix and a finished reference to hear the difference immediately. True AB referencing brings the reference down to your track’s level, so extra loudness won’t skew your judgment.

  • Compare against up to five reference tracks
  • Loop a chorus or drop for a closer listen
  • Switch references with one click

Check your Mix Beyond the Studio.

Start with the club system model and compare your track’s low-end weight with a released reference. Then explore the other playback models to hear which details stay clear and where the balance changes, while you can still make adjustments in your session.

  • Check bass audibility on phones
  • Check if your vocal loses level in mono
  • Spot overpowering bass in cars

Hear What Stereo Hides.

True AB lets you check what weakens in mono and listen to the side signal for low-end clutter in wide reverbs. Hear where the problem is before deciding what to change.

  • Stereo: Hear the full mix
  • Mono: Check what loses impact
  • Side: Inspect your wide effects

Find The Problem Before You EQ.

Expand the spectrum to inspect the frequency balance, check your loudness and peaks, or listen to the side signal for low-end clutter in wide effects. Give your next adjustment a clear reason.

  • LUFS, Peak and RMS metering
  • Expandable spectrum display
  • Whole-file or selected-loop views

Trusted by the biggest names in Music Tech

  • Waldorf Music
  • RND
  • Dangerous Music
  • Focusrite
  • Slate
  • Ableton
  • Bitwig
  • LTL
  • Avalon
  • SSL
  • AudioScape
  • SPL
  • Novation
  • Strymon
  • AVID

The Difference is Obvious

Mixing without a reference

  • Rely on memory
  • Louder can sound better
  • Guess where the balance is off
  • Judge through one playback setup
  • Miss what stereo hides

Mixing with True AB

  • Hear the difference instantly
  • Compare at matched loudness
  • Inspect frequency differences
  • Check five playback models
  • Check your mix in mono and side

Hear What To Change. Know Why.

  • Instant A-B Switching
  • Up to 5 Reference Tracks
  • Automatic Loudness Matching
  • Adjustable Reference Loops
  • 5 Speaker & System Models
  • LUFS, Peak & RMS Metering
  • Expandable Spectrum Analyser
  • Stereo, Mono & Side Monitoring
  • Left - Right Polarity Invert
  • MIDI & Keyboard Mapping
  • Tap In - Out Loop Controls
  • Light & Dark Themes

Flexible Themes. Clearer Views.

Choose the view that keeps your session easy to follow. Switch between Light and Dark themes to suit your workspace, and expand the spectrum when you need a closer look at your mix’s frequency balance.

  • Light & Dark Interface Modes
  • Expandable spectrum display
  • Whole-track or loop views

True AB Referencing

$39
$39
Sale
LAUNCH OFFER
Shipping calculated at checkout.

One-time purchase - Life time access

  • Instant A-B Reference Switching
  • Phone, Car, Grotbox, Nearfield & Club Speaker Models
  • Mix & Reference Spectrum Analyzer with Delta Highlight
  • Up to 5 Reference Tracks
  • Automatic Loudness Matching
  • LUFS, Peak & RMS Metering
  • Stereo, Mono & Side Monitoring
  • Adjustable Loops with Tap In - Out
  • Independent Left & Right Polarity Invert
  • MIDI Mapping & Keyboard Shortcuts
  • Light & Dark Themes
  • Native VST3, AU & AAX
  • Direct Activation, No iLok Required
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  • Immediate Download

  • Secure Checkout

  • Priority Support

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Getting Started with True AB Referencing

System Requirements

True AB Referencing runs as a lightweight plugin inside your DAW, designed to integrate seamlessly with your system and existing workflow.

Windows 10 V1604 or later

Windows 10 V1604 or later

VST3 64-bit

macOS 10.14+,<br> Intel, Apple Silicon

macOS 10.14+,
Intel, Apple Silicon

AU 64-bit, VST3 64-bit

Linux

Linux

Windows version on Wine + bridging VST3 with Yabridge

iLok Not Required

iLok Not Required

No physical dongle necessary

Compatibility

Our plug-ins should work with any compatible DAW. We test against the following:

Ableton

Ableton

Logic Pro

Logic Pro

Cubase

Cubase

FL Studio

FL Studio

Reaper

Reaper

Pro Tools

Pro Tools

FAQs

How do I get True AB for free?

Sign up for our newsletter using the form on this page and confirm your email. We’ll send you a unique code for 100% off True AB. Apply it at checkout to claim your full license.

Why reference if my mix already sounds good in my studio?

Your room and speakers can hide problems. If you hear less bass than your track actually contains, you may add too much. Listening to a released reference through the same setup helps reveal differences you might otherwise miss.

Is the anniversary version a trial?

No. You get the full plugin with a perpetual license, yours to keep. 

How does loudness matching help?

A louder track can seem better simply because it is louder. True AB lowers your reference to your mix’s level, making it easier to judge differences in balance without the volume difference influencing your decision.

Can I compare specific parts of a reference track?

Yes. Load up to five reference tracks and select one at a time. Set a loop by dragging the loop handles or using Tap In and Tap Out to compare a relevant chorus, drop or other passage.

Which speaker models are included?

True AB includes phone speaker, small studio speaker, mono speaker, car stereo and club system models. You can listen to both your mix and your reference through them to check how their balance compares.

Do I need a subscription or an iLok dongle?

No. True AB uses a perpetual license with direct activation. No subscription or iLok dongle is required.

Do you offer refunds?

All sales are final. Because our products are digital templates, samples, and instruments, they are considered "consumed" once delivered and cannot be returned. We provide a fully functional 45-day trial for our products and strongly encourage you to test it if you have any doubts before purchasing.

How Checkout Works: To ensure you get instant access to your sounds, our checkout includes two checkboxes. By ticking these, you agree to our terms and authorize us to provide your download immediately. Because this gives you instant access to the full product, the standard 14-day cooling-off period is waived at the point of purchase. If you encounter any technical issues or the files aren't working as expected, please reach out at support (at) rapidflow (dot) shop—we are always happy to help!

Trademark and Compatibility Disclaimer



All product names, brands, and trademarks mentioned on this page, including speaker, monitor, and device manufacturers (such as Yamaha, Auratone, etc.), belong to their respective owners. They are used only to describe the listening scenarios True AB's monitoring models are designed to approximate, and to make monitoring comparisons.

True AB's monitoring models are creative approximations of how a mix may translate on these types of systems, not exact reproductions of any specific product. Rapid Flow is not affiliated with, endorsed by, or sponsored by any of the companies named, and makes no claim of ownership over their trademarks.

True AB does not include any reference audio. Users are responsible for making sure they have the right to use any reference tracks they load into the plugin.