• Works as a multi-platform plug-in and as a Standalone application
• Content structured in Instruments, Multis and MIDI Patterns
• Fully compatible with macOS and Windows
• Supported plug-in formats: AAX, VST 2, VST 3, and Audio Units
• 16 part multitimbral
• 16 individual stereo outputs
• Info view with specific information and 3D icon for each instrument
• Mix view and full mix parameters control
• Live mode for instantaneous sounds loading, organized in set lists and songs
• Expandable instrument library
• Pad interface lets you launch patterns, loops or single notes seamlessly from iRig Keys I/O or any MIDI controller
• 70 studio quality effects
• Layers allow for creating splits and layers
• Edit view for in depth editing of all synth engine parameters, independently for all the elements or articulations that are included in the instrument
• Custom modulation for synth engine and effects parameters
• Advanced instrument browsing with convenient search function
• BPM syncable time-based effects, audio loop instruments and LFOs
• Four play modes including mono legato with portamento
• Zone switch allows to edit individual key-zones for the selected sound element or articulation
• Multi Articulation and Key Switch instrument control
• Easy to use assignable MIDI control to any parameter with MIDI Learn
• Compatible with all previous "Powered by SampleTank" sound modes and sounds. (Older libraries imported through the use of SampleTank 3 CS.)
• Import feature allows users to import .wav and .aiff samples
3 Synth Engines
• STRETCH™
• Pitch-Shift/Time-Stretch
• Resampling
Effects list
• Amps: American Vintage, British Tube Lead 2, Cabinet, Flexi, Jazz Amp 120, Modern Tube Lead, Preamp, SVT Classic, Tone Control
• Distortion: Crusher, Distortion, Lo-Fi, Overdrive, Overscream, Phonograph, Sat-X
• Dynamics/EQ: Channel Strip, Compressor, Black 76, British Channel, Bus Comp, EQ-81, EQ Comp, EQ-PG, Limiter, Model 670, Parametric EQ, Vintage EQ-1A, White 2A
• Modulation: AM Modulation, AutoPan, Chorus, Chorus C1, Electric Flanger, FM Modulator, Ensemble, Env Flanger, Flanger, Multi Chorus, Opto Tremolo, Phaser, Rotary, Slicer, Small Phazer, Tremolo, Uni-V
• Reverb/Delay: Ambience, ConvoRoom, Digital Delay, Reverb, Reverb Delay, Inverse Reverb, Room Reverb, Spring Reverb, Stereo Imager, Tape Echo Hall Reverb, Plate Reverb
• Filter: Acoustic Resonance, Filter-C, Filter Formant, Filter-M, Filter-O, Filter Phaser, Filter-R, Env Filter, LFO Filter, Piano Lid, MultiFilter, Wah 47h
3 Play Modes
• Poly
• Mono
• Mono Legato

• Windows® (64-bits)
• Minimal: Intel® Core™ 2 Duo or AMD Athlon™ 64 X2 (Intel Core i5 suggested), 4 GB of RAM (8 GB suggested), Windows® 7 or later. 40 GB (SampleTank 4 SE), 128 GB (SampleTank 4), 300 GB (SampleTank 4 MAX) of hard drive space.
• Requires an ASIO compatible sound card.
• Requires an OpenGL 2 compatible graphics adapter.
• Supported Plug-in formats (64-bit): VST 2, VST 3, AAX.