Capture your creativity with PreSonus Quantum ES 4. The next generation of PreSonus audio interfaces, Quantum ES 4 is the culmination of nearly 30 years of PreSonus expertise, providing the ultimate recording tool for musicians and content creators.

• High-performance signal flow Custom low-latency drivers and low-noise converters.
• All-new Max-HD microphone preamps The culmination of 30 years of innovation, these rigorously redesigned preamps feature digitally-controlled analog with +75 dB of gain range.
• Co-developed with Fender Front-facing instrument inputs engineered for guitarists by industry-leading experts.
• Professional recording software included 6 months of PreSonus Studio One+ with full access to Studio One, add-ons and more.
• Auto Gain Dial in recording-ready levels, hassle-free.
• Universal Control app Full control and metering from your mobile device, desktop or tablet.

High-performance signal flow

PreSonus’s custom low-latency driver provides exceptionally low audio latencies when recording, while high-performance converters complete the front end to ensure that you sound your best throughout your entire signal chain.

All-new Max-HD mic preamps

Quantum ES 4 features four newly designed mic preamps with +75 dB of gain. High-definition Max-HD preamps are transparent, low-noise and digitally-controlled analog, making them ideally suited to today’s most popular microphones.

Co-developed with Fender

Built by the best ears in the business, guitarists and bassists will love the instrument inputs co-developed with Fender engineers industry experts who designed them specifically for guitar and bass.

Professional recording software included

Leap into 6 months of Studio One+ with access to PreSonus Studio One Professional Edition, add-ons and more.

Auto Gain

An Auto Gain button sets the perfect gain level for your microphones and instruments, so you get the perfect take every time.

Universal Control app

Quantum works on any mobile or desktop device, so you’re ready to record whenever inspiration strikes whether on your phone, tablet or in your home studio. Critical preamp functions like preamp gain, phantom power and more can be controlled with Quantum ES 4’s top panel, or right from Studio One and the Universal Control app, so you can dial in the perfect gain staging without looking away from your recording session.