PreSonus Quantum ES 4 – 4-in/4-out USB-C Interface with Auto-Gain

The PreSonus Quantum ES 4 delivers high-definition recording in a compact, desktop-ready design. Featuring four MAX-HD mic preamps with 75 dB of gain, Fender-developed instrument inputs, Auto-Gain, and intuitive control options, it's tailored for modern creators seeking precision and speed in their projects.

Key Features

• Four MAX-HD mic preamps: Digitally controlled analog preamps offering transparent, low-noise gain up to 75 dB.
• Fender-co-designed instrument inputs: Two front Hi-Z jacks optimised for direct guitar and bass recording.
• Auto-Gain button: Automatically sets ideal input levels for microphones and instruments—no guesswork.
• Low-latency performance: Custom USB-C drivers and high-quality converters ensure fast, clean recording at up to 24-bit/192 kHz.
• Universal Control & LED metering: Control settings from hardware, mobile, or desktop while visual LED feedback keeps levels clear.
• Studio One Pro license included: Ship-ready software for recording, mixing, and production—no extra purchase needed.

Customer Benefits

Whether you're recording vocals, instruments, or full performances, the Quantum ES 4 gives you clean, fast, and reliable results. Auto-Gain speeds up your setup, Fender-tuned inputs ensure great tone from the start, and Universal Control offers intuitive operation on desktop or mobile—making recording both seamless and rewarding.

Quick Specs

• Resolution / Sample Rate: 24-bit, up to 192 kHz
• Inputs: 4 × XLR/¼″ combo (mic/line), 2 × Hi-Z instrument
• Outputs: 2 × balanced ¼″ TRS main, 2 × ¼″ line, 2 × ¼″ headphone
• MIDI I/O: In & Out (¼″ jacks)
• Controls & Displays: Auto-Gain button, push encoder, LED level metering, phantom power control
• Connectivity: USB-C, mobile-ready with Universal Control
• Power: Bus-powered (USB-C)
• Dimensions: Approx. 1.9 cm × 15.7 cm × 21 cm
• Weight: Approx. 0.8 kg

What’s in the Box

• PreSonus Quantum ES 4 audio interface
• USB-C to USB-C cable (1.5 m)

Use Cases / Ideal For

Perfect for solo musicians, producers, and content creators who need compact, high-quality recording with fast setup. Whether you're laying down vocals, guitars, or podcasts, you'll appreciate the speed, clarity, and flexibility this interface brings.

Compatibility

Works with USB-C equipped systems on Windows, macOS, iOS, and Android. Universal Control enables remote access and seamless integration with Studio One and other DAWs for flawless workflow.

Pros & Cons

✅ Pros:

• Compact yet powerful with four clean mic preamps
• Auto-Gain simplifies level setup instantly
• Front Hi-Z inputs tailored by Fender for great tone
• Studio software included and full remote control

⚠️ Cons:

• Bus power may need auxiliary USB-C for higher current demands
• Desktop design may not suit rack-centric studio setups

The PreSonus Quantum ES 4 delivers speedy setup, pro-grade audio quality, and a sleek, intuitive interface that fits your space and workflow—perfect for creators seeking control with simplicity.