Keepforest · AizerX
Classic Trailer Toolkit
The Third Main Product of the Series
A completely fresh massive collection of hand-crafted sound effects, plus a new AizerX synth with presets.
954Toolkit sounds
795WAV update
24Toolkit categories
11Badass intro kits
+And more
Trailer Hits●Whooshes●Suckbacks●Downfalls●Downers●Stutter●Risers●Braams●Resonators●Trailer Pianos●& more
Smart sample randomizationFull Kontakt requiredXY pad
Based on the original AizerX engine with improved functionalities, the Classic Trailers Toolkit becomes more flexible, handy and effective at creating custom sound elements — for hybrid, epic trailer music, film scores and anything else.
A new universal massive collection of trailer hits, whooshes, suckbacks, downfalls, downers, stutter, risers, braams, resonators, signals, ambient effects, sustains, trailer pianos and their sub-categories.
Inside the Instrument
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01 / 03The MAIN interface — core AizerX controls and XY workflow.

02 / 03Sound shaping controls — filters, envelopes and playback settings.

03 / 03The FX section — final processing and effects controls.
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At a Glance
- 954 toolkit sounds across 24 stated categories
- 795 WAV files in the folder update, in eleven groups
- A new AizerX synth with pads, piano, basses, plucks and keys
- Deep customization frequency filters, LFO, ADSR, playback modes, mixer
- An effects rack EQ, reverb, delay, distortion and more
- XY pad the breathtaking feature of the engine
Content & Detail
01What Is Newthe update▾
EngineRefined and optimized AizerX engine for stable and smooth workflow
InterfaceRedesigned minimalistic modern interface
ContentRemastered samples and new content added
StretchingNew stretching feature for playable instruments
Classic patchesAdded alongside the new ones
Price of the updateFree for owners of the old version — re-downloading the library is required
02Toolkit954 sounds▾
Trailer Whooshes39
Trailer Hits42
Hybrid Whooshes29
Hybrid Hits30
Organic Whooshes51
Organic Hits53
Whooshes65
Braams37
Sub Tails26
Kicks20
Crackle snares and claps48
Suckbacks48
Downers35
Risers35
Shtutter12
Benders64
Sub benders90
Elements113
Trailer Pianos23
Resonators56
Badass intro kits11
Tension build-up kits12
Downfall kits7
Loop categories (drums, percussions, pulses, etc.)8
03Playable Instrumentsby group▾
AizerX Classic Trailer ToolkitTrailer Hits Tools 10 · Trailer Whooshes 5 · Suckbacks 2 · Downers 5 · Downfalls 4 · Stutters & Risers 2 · Sub Benders 4 · Braams 4 · Resonators 3 · Signal & Ambients 4 · Trailer Pianos 3
Classic Trailer ToolsHybrid Hits 30 · Trailer Hits 42 · Organic Hits 53 · Sub Tails 26 · Trailer Kicks 20 · Crack Snare 25 · Suckbacks 48 · Downers 35 · Braams 37 · Signal Resonators 53 · Signals 45 · Trailer Pianos 22 · Tonal Hits 21 · Full Sub Benders 26 · Layers Sub Benders 64
Synth MenuBraams 31 · Basses 20 · Pads 16 · Plucks 15 · Synths 13 · Keys 16 · Leads 7 · FX 3
Badass IntrosEleven named kits at 100 BPM, plus an all-instruments patch
Tension Build UpsEleven, at 110 BPM
DownfallsSeven, at 100 BPM
LoopsDrums 100 and 110 BPM · Percussion · Sub · Noise Tails · Bender · Tonal · Classic Pulses, all 100 BPM
Playable HitsHybrid · Organic · Trailer
04WAV Folder Update795 files▾
Trailer Hits Tools70
Trailer Whooshes87
Suckbacks42
Downers84
Downfalls71
Stutters & Risers62
Sub Benders84
Braams84
Resonators63
Signal & Ambients84
Trailer Pianos64
05Before You Buyrequirements▾
HostThis product requires a FULL version of Native Instruments’ KONTAKT
Twenty-four categories is a filing system, not a boast. A trailer editor searches by the name of the gesture, not by the name of the library — which is why the folder structure here matters as much as the sounds in it.