Rackears IconRackears.io
S4 Sculpting Sampler (White) - Image 1

S4 Sculpting Sampler (White)

DesktopDigitalPolyphonic

$975

Imagine blending the tactile joy of vintage tape loops with the wild possibilities of granular synthesis—all in a sleek white chassis that fits right on your desk. This sculpting sampler invites you to capture sounds via its built-in mic or stereo inputs, then warp them across four parallel stereo tracks into everything from swirling ambient clouds to glitchy rhythms.

Each track runs a five-stage signal chain: Material for loading samples, overdubbing loops, or MIDI-triggering an 8-voice polyphonic sampler; Granular for shaping grains with size, pitch, and contour controls; a standout 48-band morphing resonator filter; Color for dual-band overdrive, bit crushing, compression, and noise; and Space with stereo delay, reverb, and freeze modes. Twenty modulators per track—LFOs, envelopes, randomizers, and envelope followers—let you automate anything dynamically, while the PERFORM page maps parameters to eight sliders and four punch-in FX buttons for live tweaks. A crisp 3.5-inch color LCD, 21 RGB-backlit buttons, and nine endless encoders make navigation intuitive, backed by a quad-core 1.5GHz processor handling 24-bit/48kHz audio. At 9.5 x 6.1 x 1.5 inches and just 1.8 lbs, it's portable with 4GB internal storage (USB-expandable), class-compliant 10x10 USB audio, Ableton Link, and MIDI/sync I/O—including a headphone jack.

Users love its depth for experimental sound design and seamless integration in modular rigs or DAWs, though some note the learning curve for mastering its modulation matrix rewards patient explorers with endless creative firepower.

Released

Unknown

Status

In Production

Synthesizer
Format
Desktop
Type
Sample-based, Granular
Internal Battery
No
Voice
A/D
Digital
Polyphony
Polyphonic
Oscillators
0
Oscillator Type
-
Voices
8
Tracks
4
Filter
Bandpass, Lowpass, Highpass, Multimode
Envelopes
-
LFO
4
Effects
48-band morphing resonator, overdrive, compression, bit crushing, delay, reverb, noise
Expression
Aftertouch
No
Velocity
No
MPE
No
Additional
4 stereo tracks, granular processing, 20 modulators per track, built-in microphone, expandable USB audio, Ableton Link, firmware 2.0 with Perform/Scenes/Temp/Disc features, 128 scene storage, quad-core processor, 3.5" LCD, white color
Software
-
I/O
Audio In
2x 1/4" TRS, built-in microphone
Audio Out
2x 1/4" TRS
Headphone
1x 1/8" TRS
MIDI
In, Out
MIDI Type
TRS (3.5mm), USB
Ports
USB-C, Clock In, Clock Out
Wi-Fi
Yes
Workflow
Arpeggiator
No
Sequencer
Yes
Mod Matrix
Yes
Memory
internal storage for samples
Measurements
Dimensions
9.5" x 6.1" x 1.5" / 242 x 156 x 39 mm
Weight
1.8 lbs., 820g
Last updated Mar 24, 2026