PreSonus Quantum ES 4 USB-C Audio Interface The PreSonus Quantum ES 4 is a 4‑in/4‑out USB‑C interface that adds more mic and line I/O while keeping latency low and sound quality high. With MAX‑HD mic preamps, 24‑bit/192 kHz converters and flexible routing, it suits producers, bands and hybrid setups that need more connectivity than a typical 2‑channel desktop interface. PreSonus Quantum ES 4 Features 4 x 4 USB‑C recording interface with high‑performance converters MAX‑HD mic preamps with wide gain range for modern studio microphones Combo mic/line inputs and dedicated Hi‑Z instrument inputs for guitars and basses Multiple balanced TRS outputs for monitors, outboard gear and cue mixes MIDI I/O and USB‑C connectivity for modern DAW rigs Includes Studio One software and plug‑ins PreSonus Quantum ES 4 Specifications Computer connectivity: USB‑C Simultaneous I/O: 4 x 4 Analog inputs: 4 x XLR/TRS combo plus Hi‑Z inputs Analog outputs: main TRS outs plus additional line outs and headphone outputs Resolution: 24‑bit / 192 kHz MIDI I/O: In/Out (mini‑jack)
