PreSonus Quantum ES 4 – USB-C Audio Interface with Low-Latency Performance
The PreSonus Quantum ES 4 USB-C Audio Interface delivers professional-grade recording and ultra-low latency performance for musicians, producers, and engineers. With 4×4 simultaneous I/O, crystal-clear preamps, and direct USB-C connectivity, it’s designed for seamless integration with modern DAWs and high-resolution recording setups. Compact, powerful, and reliable, the Quantum ES 4 is ideal for home studios and mobile production environments.
Key Features
- 4×4 USB-C audio interface – 4 inputs and 4 outputs for flexible recording setups.
- Studio-quality mic preamps with +48V phantom power for condenser microphones.
- Ultra-low latency performance – optimized for real-time recording and monitoring.
- High-resolution audio – up to 24-bit/192 kHz recording quality.
- Direct monitoring – zero-latency hardware monitoring for recording confidence.
- MIDI I/O for seamless integration with external keyboards, controllers, and synths.
- Rugged and portable – ideal for studio, stage, and mobile recording setups.
- Studio One integration – tight DAW control and software bundle included.
Technical Specifications
| Computer Connection | USB-C 3.0 |
|---|---|
| Simultaneous I/O | 4 x 4 |
| Mic Preamps | 2 PreSonus XMAX-L solid-state mic preamps with +48V phantom power |
| Line Inputs | 2 balanced line/instrument inputs |
| Line Outputs | 4 balanced TRS outputs |
| Headphone Output | 1 with independent level control |
| MIDI I/O | In/Out |
| Audio Resolution | 24-bit / 192 kHz |
| Monitoring | Direct hardware monitoring with zero latency |
| Power Requirements | USB-C bus-powered (requires USB-C port or power supply delivering minimum 5V / 3A). For stable operation with phantom power or full I/O usage, an external USB-C PD power supply (5V / 3A or higher) is strongly recommended. |
| Dimensions | Approx. 44 x 180 x 135 mm |
| Weight | Approx. 1.1 kg |
Why Choose the PreSonus Quantum ES 4?
The PreSonus Quantum ES 4 strikes the perfect balance between professional features and portability. With its high-quality preamps, low-latency monitoring, and USB-C connectivity, it’s a versatile interface for recording musicians, producers, and content creators who demand reliability and studio-grade performance.
Compatibility
Works seamlessly with PreSonus Studio One and all major DAWs including Ableton Live, Logic Pro, Pro Tools, and Cubase. Compatible with macOS and Windows via USB-C.