The S4 is a stereo granular sampler and performance instrument designed for sound explorers, experimental producers, and live performers. With a hands-on interface, rich signal chain, and deep modulation system, the S4 invites you to sculpt, mangle, and reimagine sound in real time. Audio engine 4x stereo tracks with a 5-stage signal chain: MATERIAL Play samples from internal memory, record and overdub. Includes 8-voice polyphonic sampler with MIDI control. GRANULAR Shape grains with contour, size, and pitch. Create anything from ambient clouds to glitchy textures. FILTER 48-band resonant filter bank with classic models and morphing modes. COLOR Dual-band distortion, bit reduction, compression, and noise. SPACE Stereo delay and reverb with freeze and multiple delay types. Features 4 modulators per track LFOs, envelopes, random, and envelope followers can modulate any parameter for dynamic, evolving patches. PERFORM page with 12 macros Map any parameters to 8 sliders and 4 punch-in FX buttons for expressive live control. 128 scenes Save and trigger full parameter and sample snapshots. MIDI Program Change supported. Mixer 4-channel stereo mixer with DJ-style filters and master compressor. User Interface High-resolution LCD color display, 3.5 inch 21 tactile RGB buttons 9 high-quality endless encoders Hardware Internal Memory: 4 GB (expandable via USB) Audio Processing: 24-bit / 48kHz stereo USB Audio Interface: Class compliant, 10 in / 10 out Physical Matte black aluminum casing Dimensions: 242 x 156 x 39 mm (9.5” x 6.1” x 1.5”) Weight: 820g (1.8 lbs) I/O Inputs: 2x 6.3 mm (1/4”) jack Outputs: 2x 6.3 mm (1/4”) jack, 3.5 mm TRS headphone MIDI: 3.5 mm TRS (Type A) in/out Sync: 3.5 mm analog sync in/out USB-C Port
