Presonus Quantum ES4

The Quantum ES4 is a sound card from Presonus.

FREE: Get a full perpetual license of Studio One Pro 7. Simply register your product on my.presonus.com: the Studio One Pro 7 license will be automatically added to your MyPreSonus account once your equipment has been registered.

Quantum ES4 highlights

• High signal flow performance - Low-latency custom drivers and low-noise converters.


• All-new MAX-HD mic preamps - The culmination of 30 years of innovation, our uncompromisingly redesigned preamps feature digitally controlled analog and a gain range of over 75 dB.


• Co-developed with Fender - Front-panel instrument inputs designed for guitarists by the industry's leading experts.


• Professional recording software included - 6 months of Studio One+ with full access to Studio One Professional, extensions and more.


• Automatic gain - Get recording-ready levels with ease.


• Universal Control App - Full control and level indications from your mobile device, computer or tablet.

Quantum ES4 Key Features

The ultimate audio interface for demanding musicians

PreSonus Quantum ES 4 is a powerful, versatile audio interface designed to meet the needs of the most demanding musicians and creators. Featuring 4 inputs and 4 outputs, it offers 24-bit/192 kHz audio conversion and professional-quality mic preamps, guaranteeing rich, detailed recordings. Its compact size and USB-C power supply make it ideal for both personal studios and mobile sessions.

Simplified input level optimization for microphones and instruments

The Auto Gain function automatically adjusts the input level for your microphones and instruments, simplifying setup. You can control preamp parameters (gain, phantom power) directly from your recording software (including Studio One) or the free Universal Control mobile app.

Capture every nuance of sound with precision

PreSonus' 4 newly designed MAX-HD mic preamps deliver an impressive +75 dB of gain, ideal for capturing the sound of your favorite microphones with precision. Transparent and silent, they ensure faithful reproduction of your signal.

Boost your music production

The Quantum ES 4 interface comes with a 6-month subscription to the professional version of Studio One recording software, providing comprehensive tools for your music production. You can then extend your subscription with the annual Studio One+ version, and continue to benefit from the incredible advantages offered by this DAW, which is fast becoming a standard.

Our experts' opinions

• The Quantum ES4 sound card delivers professional studio performance, with crystal-clear A/D and D/A conversion and ultra-low latency, making it an ideal choice for demanding producers and sound engineers.


• For the advanced features and audio quality it offers, the Quantum ES4 represents excellent value for money. It easily rivals far more expensive audio interfaces on the market.


• The Quantum ES4 is built to last, with a robust casing and elegant design. It brings a touch of professionalism to any studio, while offering rock-solid durability.