Presonus Quantum ES4

The Quantum ES4 is a sound card offered by the Presonus brand.

The Key Features of the Quantum ES4

• High-performance signal flow - Custom drivers with low latency and low-noise converters.


• All-new MAX-HD microphone preamps - 30 years of innovation culminate in our rigorously redesigned preamps featuring analog-to-digital control and a gain range of over 75 dB.


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


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


• Automatic gain - Easily attain recording-ready levels.


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

The Key Functions of the Quantum ES4

The Ultimate Audio Interface for Discerning Musicians

The PreSonus Quantum ES 4 is a powerful and versatile audio interface designed to meet the needs of the most demanding musicians and creators. With 4 inputs and 4 outputs, it offers 24-bit/192 kHz audio conversion as well as professional-quality microphone preamps, ensuring rich and detailed recordings. Its compact format and USB-C power make it an ideal solution 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 settings (gain, phantom power) directly from your recording software (included Studio One) or the free Universal Control mobile app.

Capture Every Sonic Nuance with Precision

The 4 newly designed MAX-HD microphone preamps by PreSonus offer an impressive +75 dB gain, ideal for accurately capturing the sound of your favorite microphones. Transparent and quiet, 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 the subscription with an annual Studio One+ subscription and continue to enjoy the incredible benefits offered by this DAW on its way to becoming a standard.

Expert Reviews

• The Quantum ES4 sound card offers 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 much more expensive audio interfaces on the market.


• The Quantum ES4 is built to last, with a sturdy housing and stylish design. It adds a touch of professionalism to any studio while offering unparalleled durability.