Proxima Sinister Sounds Review: Worth $19? 100 Presets

Dark synth presets for Drum & Bass, Dubstep, and Trap are either too clean, too generic, or built for someone else's workflow. KHORDS Expansion Pack: Proxima Sinister Sounds exists specifically for that frustration: it's a 100-preset, 50-waveform expansion designed to pull KHORDS into darker, heavier sonic territory at $19. If you already own KHORDS and you're working in any corner of dark electronic music, this is worth your attention.

Quick verdict: Proxima Sinister Sounds is a focused, genre-savvy expansion that does exactly what it promises. The presets are sculpted with real intent across 7 categories, the new waveforms add genuine range to KHORDS' base library, and it requires KHORDS 1.0.4 or higher to run. Score: 4.2/5. Best for producers already in the KHORDS ecosystem who want sinister textures without the sound-design legwork.

The Problem This Actually Solves

You're three hours into a Dubstep or Drum & Bass session and the preset library that came with your synth just isn't going there. Everything sounds polished, bright, or designed for someone making lo-fi beats in a linen shirt. You need something that sits heavier, darker, with aggression baked in from the start.

KHORDS ships with 550 presets, which is a real library. But a broad base set is built to cover ground, not to stake a flag in one specific sound. When your track needs menacing textures and you're burning time layering and filtering just to get close, that's a workflow problem, not a creativity problem.

That's what Proxima Sinister Sounds is built to fix. Producer Proxima designed the whole pack around a specific sonic identity: dark atmospheres, aggressive bass, experimental effects, and synthetic soundscapes that already feel like they belong in a Trap drop or a Dubstep reese section. You load a preset and it's already leaning in the right direction. That saves time. In a session, that matters.

The pack doesn't try to be everything to everyone. It's 100 presets deep in one direction. If that direction is your direction, it's a satisfying solution to a real problem. If you're working in brighter, warmer genres, this isn't your expansion, and we'd say skip it without hesitation.

What You're Actually Getting Inside the Pack

The numbers first: 50 new waveforms and 100 presets across 7 categories. That's the full inventory. Those 7 categories break down as 19 Stabs, 8 Bass, 14 Lead, 8 Rhythmic, 8 Synth, 20 Atmosphere patches, and 23 SFX patches.

The Atmosphere and SFX categories make up 43 of the 100 presets. That's not an accident. This is a pack that prioritises texture and space, which makes sense for the genres it targets. Drum & Bass and Dubstep live in atmosphere between the drops. Trap relies on dark, drifting pads under the 808s. Those 43 patches are doing genre-specific work.

The 50 New Waveforms

This is where the expansion earns its cost before you've even touched a preset. Waveforms are the raw material KHORDS builds from. Adding 50 new ones to your base library means every preset, including any you've built yourself inside KHORDS, now has access to a broader tonal palette. That's not cosmetic. That changes what KHORDS is capable of for you going forward.

The waveforms here are synthetic and menacing in character. Push a lead preset and the top end turns gritty. Pull up a pad and it drifts into something colder and more industrial than the base KHORDS library reaches. The character is consistent across the set, which gives the expansion a coherent identity rather than feeling like a grab-bag of disconnected sounds.

Stabs and Leads

With 19 Stabs and 14 Lead presets, these two categories form the melodic spine of the pack. Stabs in this genre context aren't the bouncy house-music stab you're picturing. These are sharp, angular hits with dark harmonic content. The kind that cut through a Dubstep mix at 130 BPM without sounding thin.

Leads built on sinister waveforms tend to sit differently than standard synth leads. There's an edge to them. You hit a note and there's some bite in the attack, some grit in the sustain. If you're layering a lead over a heavy bassline, that character helps it cut without needing aggressive EQ work from you. That's presets doing their job.

The 30 Minor Feel Chords

KHORDS is a chord-focused instrument. The 30 Minor Feel Chords included in this expansion are built specifically for the emotional register the pack targets. Minor harmony in dark electronic music isn't just sad, it's tense. There's a difference between a soft minor pad and something that feels genuinely unsettling in a mix. These are built for the latter.

If your track sits in a minor key, which most Drum & Bass and Trap does, you want chord presets that don't fight the vibe. Dial in one of these Minor Feel Chords under a heavy percussion arrangement and see how quickly it locks in. That's the practical value here.

The 20 Root or Open Note Sounds

The 20 Root or Open Note Sounds are worth understanding separately from the chord presets. These are single-note or open-voicing sounds, not full chord stacks. They give you something more flexible for melodic and bass-adjacent work where a full chord voicing would clutter the low-mids.

In a mix with heavy sub presence, which Dubstep and Trap both have, these open sounds are often more useful than the chords. They sit without smearing frequencies below 200Hz. That's a practical mixing benefit, not just a creative one.

Bass, Rhythmic, and SFX Categories

Eight Bass presets. That's a lean count, but bass design inside a chord instrument is always supplementary. These work best as mid-bass or upper-bass tones that sit above your primary 808 or sub layer, adding harmonic content without competing for the bottom. Push the drive on one of these and the grit increases predictably.

The 8 Rhythmic patches are there for motion and groove inside the sound design. Think pulsing textures, gated elements, rhythmic filtering. In Drum & Bass specifically, rhythmic synth movement between percussion hits is a real compositional tool, and having 8 presets aimed at that is genuinely useful.

The 23 SFX patches are the most experimental category in the pack. This is where the "experimental effects" description from the developer becomes concrete. Riser elements, downlifters, abstract noise textures, transient-heavy impacts. These are production utility sounds as much as musical ones. For dark electronic tracks that rely on tension-building and release, this category earns its place.

How It Performs in Real Sessions

You're building a Dubstep drop. The bass is locked, the drums are chopped, and you need a mid-layer that sounds genuinely threatening rather than just heavy. Load a Stab preset from this pack, drop it a fifth below your root note, and let it ring. That dissonance is already built into the waveform design. You're not wrestling with a generic patch trying to darken it with filters. You're starting from a place that sounds intentional.

Or picture this: a Drum & Bass breakdown section where you want tension without melody. Pull up one of the 20 Atmosphere patches. These aren't background filler. They've got movement, harmonic complexity, and a character that reads as genuinely unsettling in context. Hold one for four bars under a stripped-back beat and it does compositional work for you.

Then there's the SFX category. You're building a transition between a verse and a drop in a Trap track. You need a riser that feels organic to the session, not pasted in from a sample pack. Load an SFX preset, automate the filter over four bars, and it fits because it's coming from the same instrument as everything else in your session. That consistency is something a standalone sample pack can't offer.

Where you'll notice the limits: 100 presets runs out faster than 550. If you're the type who cycles through everything in a library before settling, you'll cover the full set in a sitting. That's not a flaw in the design, it's a scope issue. This is a focused tool, not a deep library.

Strengths and Weaknesses

The strengths are real. Fifty new waveforms are a meaningful addition to any KHORDS setup, and they extend the instrument's range rather than just adding more presets on top of existing waveforms. The genre focus is a genuine design choice. Proxima built this for dark electronic music and every category reflects that. There's no filler. The Atmosphere and SFX categories alone justify the price if you're working in Drum & Bass or Dubstep.

The preset sculpting quality holds up across categories. The Leads have character. The Stabs have presence. The SFX patches feel designed rather than generated. That's satisfying in a way that generic preset packs often aren't.

Now the frustrating parts. A hard dependency on KHORDS 1.0.4 or higher means this is a completely closed system. If you bought KHORDS and haven't updated it, you need to do that before this works. And if you don't own KHORDS at all, this is dead on arrival for you. No workarounds, no standalone mode. It requires the host instrument.

The 100-preset count against KHORDS' base 550 is also worth being honest about. This isn't a rival to the base library in scope. It's a genre-specific annex. That's fine, but you should know what you're buying: depth in one direction, not breadth across many.

Value for the Price

At $19, the main question isn't "is it worth it?" It's "do I work in genres where this is useful?" If you do, the answer is yes, clearly. Fifty waveforms and 100 sculpted presets at this price point is a reasonable trade for what you get. Professionally designed presets across 7 genre-specific categories by a named producer with a clear sonic identity don't come cheaper than this.

If you're on the fence because you're not sure the dark electronic genre fits your work, that's the only reason to pause. The price isn't the issue. The genre alignment is.

Compare this against the hours spent building equivalent presets from scratch inside KHORDS using the base waveforms. If Proxima's aesthetic is close to yours, you're buying time as much as sounds. That math works out at $19.

Who Should (and Shouldn't) Buy This

• ✅ Buy if you own KHORDS 1.0.4 or higher and regularly work in Drum & Bass, Dubstep, or Trap
• ✅ Buy if you want a cohesive set of dark, genre-specific presets without building them from scratch
• ✅ Buy if you want 50 new waveforms to extend what KHORDS can do across all your patches, not just the presets included here
• ❌ Skip if you don't own KHORDS, because this does nothing without it
• ❌ Skip if your production style leans bright, warm, or major-key driven, because nothing here is built for that
• ❌ Skip if you need a massive preset library: 100 presets is focused, not exhaustive

Specs & Technical Details

Spec	Detail
Developer	Loopmasters Plugins
Price	$19
Plugin Format	N/A (expansion pack for KHORDS)
OS Support	N/A
Activation	N/A
CPU Usage	N/A
Trial Available	N/A
Version Reviewed	Requires KHORDS 1.0.4 or higher
Preset Count	100
New Waveforms	50
Preset Categories	Stabs (19), Bass (8), Lead (14), Rhythmic (8), Synth (8), Atmosphere (20), SFX (23)
Designed By	Proxima
Genre Focus	Drum & Bass, Dubstep, Trap

Score Breakdown

Category	Score	Notes
Sound Quality	4.5/5	Coherent, genre-specific character across all 7 preset categories with strong identity
Value for Money	4.5/5	50 new waveforms plus 100 sculpted presets at $19 is hard to argue with
Ease of Use	4.0/5	Straightforward once KHORDS is at 1.0.4 or higher; the dependency is the only friction
Features	3.5/5	100 presets is focused but modest compared to the base library's 550
CPU Efficiency	N/A	Expansion pack; inherits KHORDS' CPU footprint
Overall	4.2/5	A focused, well-designed expansion that delivers exactly what dark electronic producers need from KHORDS

One honest note on the Features score: if you're new to KHORDS, 100 presets sounds like a reasonable library. Coming from the base 550-preset set, it reads as a targeted top-up rather than a major expansion. Both readings are accurate. The score reflects the scope relative to what KHORDS already offers.

The Sound Quality score is the one that carries the most weight here. Proxima built this with a clear sonic vision and the presets reflect that. There's no obvious filler, which in a 100-preset pack would be obvious and annoying. Every category feels considered. That consistency is rare and it's what pushes the overall score to 4.2 despite the scope limitation.

If you're a KHORDS user who's been frustrated by how bright or neutral the base library leans, Proxima Sinister Sounds is the corrective you've been waiting for.

If you're not a KHORDS user, this review doesn't end with a different answer. There's no version of this that works for you right now. That's not a knock on the pack. It's just the reality of how expansion packs work, and we'd rather you know that before clicking buy than after.