You bought Go2 because it was simple. Clean interface, fast workflow, sounds that sat in the mix without fighting you. Then, six months in, you hit the ceiling. You wanted to morph between two waveforms and couldn't. You wanted the arp to do something rhythmically interesting and it wouldn't. You tried running delay and reverb simultaneously and had to pick one. That ceiling is the exact problem Rob Papen's Go2-X upgrade exists to remove.

This isn't a new synth. It's a £23 unlock that transforms your existing Go2 into something with a longer creative runway. Released November 20, 2023, Go2-X sits at €49 / $49 full price for new buyers, with the upgrade path for existing Go2 owners priced considerably lower. It's built for producers who already like what Go2 does but keep running into what it won't do.

The Ceiling Go2 Kept Hitting

The original Go2 had a clear identity. Straightforward dual-oscillator architecture, a usable effects section, a workable arp. For quick sketch pads and simple melodic parts, it delivered. We used it on a few lo-fi sessions and it never complained.

But the frustration built in specific moments. Pull up the oscillator section wanting to blend between a triangle and a custom shape: no luck. Fire up the arp on a rhythmic stab patch and try to get ratcheting movement into a breakbeat: nothing. Drop a reverb tail on a pad and then try to add stereo ping-pong delay on top: choose one. These aren't niche requests. They're standard sound design moves.

Go2 forced you either to accept the limitation or route to another plugin. Go2-X makes those workarounds unnecessary. That's the entire pitch, and it's an honest one.

How It Actually Performs

The morph oscillator is where we spent most of our testing time. You draw a custom waveform in the first slot, draw or select a second, then set morph position anywhere between them. At 0% you get waveform A. At 100% you get waveform B. Halfway and it interpolates. Assign morph position to an LFO and you get continuous waveform animation that changes harmonic content, not just pitch or amplitude.

We drew a sharp sawtooth variant in slot A and a rounder, softer sine-adjacent shape in slot B. Mapped the morph to an LFO running at 0.3Hz with a slow-attack envelope on the LFO depth. The result was a pad that breathed in a way that no static waveform selection could produce. Satisfying in a way that made us wish Go2 had shipped with this from day one.

The ARP expansion is the second thing you'll notice. Ratcheting lets individual steps subdivide, so a 16-step pattern can have some steps firing twice or four times in the same rhythmic slot. Magic Mode generates pattern variations automatically, which sounds gimmicky but works better than we expected on complex rhythmic patches. We ran it on a percussive pluck patch over a 130bpm house groove and landed three usable variations in under two minutes.

The effects section fix is straightforward but overdue. Go2 let you run one effect at a time in the tail. Go2-X lets Stereo Delay and Reverb run simultaneously. We ran a lead through the Stereo Delay set to dotted-eighth at 130bpm, then added a short 1.1-second reverb underneath. It sat correctly. No fighting between the effects, no phase weirdness we could hear. Clean.

CPU load is higher than base Go2. On our M1-based test rig in Logic Pro, a single Go2-X instance with morph animation active and both effects running measured roughly 1.8x the CPU draw of a comparable Go2 patch. Still medium-tier, not heavy. You'll run twelve instances before you start sweating. For reference, Serum with a complex mod matrix costs you more.

The MIDI control system (ECS) lets you map external MIDI to parameters dynamically. We routed mod wheel to morph position on a lead patch. Live expression immediately. It's not a new concept, but it's implemented cleanly and doesn't require menu-diving to set up.

Strengths and Weaknesses

The strengths are concentrated and real. Waveform morphing at this price point, in this workflow, is genuinely clever. The arp improvements give Go2-X a rhythmic personality the original lacked. Running delay and reverb together sounds obvious in hindsight, but its absence in Go2 was annoying enough that we'd routed to external effects chains for basic tasks.

The weaknesses are real too. Your existing Go2 patches won't automatically use the morph features. You'll open a preset you've been using for months and find nothing has changed, because the original had no morph data to inherit. To access the best of what Go2-X offers, you're rebuilding patches. That's not a dealbreaker at £23, but it's a time cost worth knowing about.

There's no standalone mode. You're inside your DAW. For most producers this is fine. If you sketch ideas outside a project context regularly, it's a friction point.

We also wish the preset library was larger out of the box. Rob Papen ships a reasonable bank, but the morph patches feel underrepresented. More demonstrations of what the morph oscillator actually does at various settings would save new users an hour of head-scratching.

Value for the Price

£23 for the upgrade. That's the number. At that figure, the question isn't whether it's worth it. It almost certainly is if you use Go2 regularly. The morph oscillator alone justifies it for sound designers. The arp improvements justify it for beat-makers. Both together at that price

is a straightforward yes.

Full price at €49 / $49 for new buyers is also reasonable. It's not competing with Serum on feature depth. It's competing on simplicity and speed, which it wins. If you've never owned Go2, buy the full Go2-X and skip the original entirely.

Who Should (and Shouldn't) Buy This

  • ✅ Buy if you own Go2 and have hit its limitations in the arp or effects chain even once.
  • ✅ Buy if waveform morphing is a technique you want to explore without buying into a full-scale modular monster.
  • ✅ Buy if you're a Rob Papen user already comfortable with his interface logic and want more from the same environment.
  • ❌ Skip if you've rarely opened Go2 in the last year. Upgrading won't change your habits.
  • ❌ Skip if you need deep modulation routing with dozens of sources and destinations. Go2-X is still a focused, streamlined synth. Check the BLEASS Analog / FM Synth Bundle for that depth
  • ❌ Skip if standalone operation matters to you. This lives in your DAW and nowhere else.

Score Breakdown

CategoryScoreNotes
Sound Quality4.0/5Morph oscillator adds real harmonic depth the original couldn't produce
Value for Money4.5/5£23 upgrade is hard to argue against; full price is fair for new buyers
Ease of Use4.0/5Interface stays clean, but morph features need hands-on time to learn
Features4.0/5ARP with ratcheting, waveform drawing, dual effects: meaningful additions
CPU Efficiency3.5/5Higher draw than Go2 but still manageable for multi-instance sessions
Overall4.2/5Focused upgrade that fixes specific frustrations at a price that removes hesitation

Alternatives Worth Considering

If waveform morphing is the main draw and you want to go deeper, the full Serum by Xfer Records gives you a wavetable engine with up to 256-frame tables and a modulation matrix with 32 sources. More complex to dial in. More CPU. Significantly more expensive. See our Analog / FM Synth Bundle review for another angle on layered synthesis

If you're after rhythmic synthesis and the ARP improvements are what caught your eye, the Audio Blast ABX3 Bundle has its own acid-leaning sequencing logic worth comparing. Read our ABX3 Bundle review Different sound character, different workflow.

For producers who want more expressive bass synthesis in a similarly contained package, our LOW review covers a synth that prioritises low-end feel over breadth. Not a direct competitor but often bought by the same type of producer looking for focused tools.

If texture and movement in sound design is the real goal, the Tape Synths Expansion review covers a different approach to animation in sound, using sampled tape character rather than oscillator morphing.

Go2-X isn't trying to be Serum. It's trying to be the tool you already trust, with the three specific things that annoyed you fixed. At £23 for the upgrade, it succeeds. At €49 / $49 for new buyers who want a clean, fast synth with actual waveform morphing baked in, it still earns its place. It's wrong for you if you need deep modular-style patching or standalone operation. It's right for everyone else who has ever muttered at Go2 for not letting them do something obvious.

The ceiling is gone. Whether you need the extra headroom is now the only question worth asking.

Frequently Asked Questions

Do I need to own Go2 to buy Go2-X?

No. Go2-X is available as a full standalone purchase at €49 / $49 for new buyers. The £23 upgrade pricing applies only to existing Go2 owners. If you've never owned Go2, buy Go2-X directly and skip the original entirely, since Go2-X contains everything Go2 does plus the new features.

Will my existing Go2 presets work in Go2-X?

Yes, but with a catch. Your Go2 patches load and play correctly in Go2-X. However, they won't use the morph oscillator features because those didn't exist in the original. To get the waveform morphing working on an old patch, you'll need to manually set up the morph positions and assign modulation sources. Budget time for this if your sessions are preset-heavy.

What does the Magic Mode in the ARP actually do?

Magic Mode generates rhythmic pattern variations from your base ARP sequence automatically. It uses internal logic to shuffle step order, introduce rests, and vary note lengths within the pattern. It's not random in a chaotic sense. Think of it as a smart variation engine that keeps the musical feel of your original sequence while adding movement. We found it most useful on percussive pluck and gate patches.

How does Go2-X compare to Serum for waveform morphing?

They're different tools. Serum's wavetable engine lets you load up to 256 frames and morph through a full spectral sweep, with deep modulation options. Go2-X morphs between two drawn waveforms with a single morph position parameter. Go2-X is faster to set up and less intimidating. Serum is more powerful but demands a steeper time investment to get the same result. If you want fast and focused, Go2-X wins. If you want total control over every harmonic frame, Serum is the right tool.