If you own one Rob Papen plugin and want to unlock 35 more at a fraction of the full price, the eXplorer 11 upgrade from 1 product is the most efficient path in 2026.

For $299 from a single Rob Papen license, you get 36 plugins: two brand-new additions in RAW-Kick 2 and FilterField, fresh preset banks for Predator-3, Punch-2, and WirePluck, plus an optional 11-plugin legacy pack. That's the deal. Whether it's worth it depends entirely on what you actually produce and how serious you are about Rob Papen's specific sonic territory.

This upgrade is built for electronic producers. Specifically, people making drum-heavy music who need kick synthesis with real depth and filter effects with real movement. It's not for everyone. If you're a guitarist or orchestral composer who stumbled into Rob Papen through RP-Distortion, this bundle will feel lopsided.

What You're Actually Getting

The headline additions are RAW-Kick 2 and FilterField. RAW-Kick 2 is a three-layer kick synthesiser. Each layer can be a dedicated kick synth model, a sample source with WAV and AIFF import, or a granular engine that reshapes samples in real time. You can stack all three simultaneously.

FilterField is a morphing filter effect with 32 analogue-modelled filter types. The workflow is XY pad-based: drag across the grid to morph between filter characters. It runs parallel or serial signal paths, syncs modulation to tempo, and responds to audio followers for sidechain-style effects.

Beyond those two, eXplorer 11 adds new presets to Predator-3, Punch-2, and WirePluck. The optional legacy pack adds 11 older Rob Papen plugins free of charge, including the original SubBoomBass, Blade, and RP-Distortion.

All 36 plugins run in 64-bit AAX, AU, VST, and VST3 formats on Windows 7 and up, and macOS 10.15 and up.

The Good

RAW-Kick 2 is the real story here. We loaded a WAV sample of a vintage 808 into layer two, set layer one to the kick synth model, and activated granular mode on layer three pulling from the same sample. The result was a kick that had the transient punch of the synthesised model up front, the body of the 808 behind it, and granular texture smearing the tail into something between a kick and a tom. Satisfying in a way that took maybe four minutes to dial in.

That three-layer architecture is genuinely clever. Most dedicated kick synths force you to choose between synthesis and samples. RAW-Kick 2 treats both as ingredients.

FilterField surprised us more than we expected. We ran a static pad from Predator-3 through it and spent about ten minutes just dragging the XY point slowly from a low-pass corner into a band-reject zone. The morphing wasn't steppy. It tracked the movement cleanly with no zipper noise at moderate modulation speeds.

The upgrade pricing structure is honest. The price from one plugin is high enough to feel like a real commitment but not so high it becomes a gamble. During the May 2026 introductory window, FilterField and RAW-Kick 2 are available at lower standalone prices if you want to test before upgrading.

The Not-So-Good

CPU load is a problem. We had Predator-3, RAW-Kick 2 with all three layers active, and FilterField running on a send simultaneously. On an Apple M2 Pro, that session started showing spikes above 60% on the plugin meter alone. Running Rob Papen's instruments at scale requires either freezing tracks early or keeping instance counts low.

FilterField also lacks an A/B comparison mode. When you're morphing between filter states and want to check whether position A actually sounds better than position B, you're doing it by ear with no way to snapshot. Annoying. That's a basic QC tool missing from an otherwise thoughtful interface.

The preset quality across the full bundle is inconsistent. Predator-3's new presets are strong. Some of the legacy plugin presets feel like they were designed in 2014 and left untouched. If you're expecting the entire library to sound cohesive, it doesn't.

The legacy pack is free, which softens the criticism. But calling SubBoomBass a headline feature in 2026 is a stretch when the same bass synthesis territory is handled better by plugins already inside the bundle.

Compared to the Alternatives

Arturia V Collection 10 gives you 43 instruments with a much stronger focus on vintage keyboard and synthesis emulation. If you're building around hardware-faithful sounds, Arturia wins on character and breadth. Rob Papen wins on electronic drum and effect-heavy production.

Native Instruments Komplete 15 Select is the closest price comparison. You're getting a deeper sampled instrument library with Komplete but far less synthesis focus. If you want Kontakt-based instruments, go NI. If you want synthesis depth and don't care about orchestral samples, Rob Papen makes more sense.

For kick synthesis specifically, Sonic Academy Kick 2 is a direct competitor at a lower price point. It does one thing. RAW-Kick 2 does three

. But Kick 2’s interface is more focused and faster to work with if drums are your whole session.

The eXplorer 11 upgrade from 3 Rob Papen products is cheaper if you are already further into the ecosystem. The per-plugin value gets better the fewer you own coming in.

Who Should Buy This

  • ✅ Buy if you make electronic music and want a kick synthesiser with granular capabilities plus a filter effect that moves.
  • ✅ Buy if you already own one Rob Papen plugin and wanted more of the same sound design philosophy at scale.
  • ✅ Buy if you're deep into synthesis-heavy production and need a bundle that covers drums, basses, leads, and effects from one developer.
  • ❌ Skip if you primarily work with sampled instruments, orchestral sounds, or acoustic music.
  • ❌ Skip if CPU efficiency is a constraint. This bundle runs heavy under load.
  • ❌ Skip if you hate preset libraries that aren't curated to a consistent quality level across every included plugin.

Score Breakdown

CategoryScoreNotes
Sound Quality4.3/5RAW-Kick 2 and FilterField sound strong; older plugins in the bundle show their age
Value for Money4.5/5Getting 35 additional plugins for the upgrade price is hard to argue with.
Ease of Use3.5/5FilterField's XY workflow is intuitive; managing a 36-plugin bundle takes organisation
Features4.0/5Three-layer kick engine and 32 filter types cover serious ground
CPU Efficiency3.0/5Multiple instances running simultaneously will stress mid-range systems
Overall4.2/5Excellent value upgrade let down by CPU demands and uneven preset quality across the full library

Alternatives to Consider

Arturia V Collection 10: If vintage keyboard emulation and hardware-faithful synthesis are your focus, V Collection is the more satisfying buy. The Arturia V Collection review covers the full breakdown. It doesn't do what RAW-Kick 2 does, but the instrument quality is more consistent across the bundle.

Native Instruments Komplete 15 Select: Better for producers who want sampled instruments alongside synthesis tools. The Native Instruments Komplete 15 Select review digs into whether the hybrid library approach works for electronic producers. Spoiler: it's a harder fit than it looks.

Sonic Academy Kick 2: If kick synthesis is the only reason you are considering eXplorer 11, Kick 2 is faster and more focused at a lower price. The Sonic Academy Kick 2 review is the comparison to read before committing either way.

We'd buy the eXplorer 11 upgrade from a single Rob Papen license if RAW-Kick 2 alone was the target. During the May 2026 intro window, you are essentially getting 35 other plugins for the price of a single decent instrument. That's the honest framing. If your studio runs lean on CPU or you're outside the electronic music space entirely, the bundle wastes more than it delivers. But for drum-heavy producers who want synthesis depth: this is worth it.

Frequently Asked Questions

Who qualifies for the free eXplorer 11 upgrade?

If you own eXplorer 10 or RAW-Kick 1 and purchased after February 1, 2026, the upgrade to eXplorer 11 is free. Earlier eXplorer versions from 6 through 9 pay a mid-tier upgrade price. Versions 1 through 5, including a single standalone Rob Papen product, pay the full upgrade price. Check Rob Papen's site for any time-limited pricing that may still be active.

Is RAW-Kick 2 actually different from RAW-Kick 1, or is it a minor update?

It's a meaningful step up. RAW-Kick 1 focused on synthesis-based kick design. RAW-Kick 2 adds a full three-layer engine: dedicated kick synth models, WAV and AIFF sample import, and a granular mode that reshapes samples in real time. That's not a point release. It's a different instrument.

Does the legacy pack replace anything in the main bundle?

No. The 11 legacy plugins including the original SubBoomBass, Blade, and RP-Distortion are optional additions that sit alongside the 25-plugin main bundle. You're not forced to install them. If you don't need them, skip the installation entirely. They don't affect the core eXplorer 11 functionality.

How does FilterField compare to using a filter inside a synth like Predator-3?

FilterField is an insert or send effect, not a modulation source inside a synth's voice architecture. It works on any audio signal, not just Rob Papen instruments. The XY morphing across 32 filter types gives you movement you can't replicate with a single static filter inside Predator-3. For shaping buses or adding real-time filter animation to samples, FilterField goes further. For voice-level filter control inside a synth, Predator-3's internal filter stays faster to dial in.