Presonus Quantum ES4 4 x 4, 24-bit / 192 kHz USB-C Audio Interface

Take a sonic leap with the Quantum ES 4. The next generation of PreSonus audio interfaces, the 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™ Mic Preamps – The culmination of 30 years of innovation, our 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 Studio One+ with full access to Studio One Professional Edition, 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.
• Capture your creativity with the Quantum ES 4 – the recording interface for self-made musicians and audio creators. 

THE CULMINATION OF 30 YEARS OF INNOVATION 
The ES 4 features four newly redesigned high-definition MAX-HD™ mic preamps with +75 dB of gain – making it ideally suited for today’s most popular microphones. Guitarists and bassists will love the instrument inputs, which were co-developed with Fender engineers. An Auto Gain button sets the perfect gain level for your microphones and instruments, while an illuminated push encoder provides flexible control over gain level and output volume. And bright and responsive LED metering provides easy visual feedback for your inputs and outputs, making it great for self-produced recording.

HIGH PERFORMANCE SIGNAL FLOW 
Our custom low-latency driver provides exceptionally low audio latencies when recording, and high-performance converters complete the front end to ensure that you sound your best throughout the entire signal chain. 

ALL-NEW MAX-HD™ MIC PREAMPS
The Quantum ES 4 features four newly designed mic preamps with +75 dB of gain. Our 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 input 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 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 the 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.

• 4 x 4, 24-bit / 192 kHz USB-C Audio Interface High-performance converters let you hear and capture audio with stunning clarity and fidelity.
• Custom low-latency driver provides exceptionally low audio latencies when recording.
• All-new, next-generation PreSonus MAX-HD™ preamp design provides transparency and accuracy across the frequency range with +75 dB of gain to maximize the performance for a wide range of today’s most popular microphones for modern recording and broadcast.
• Auto Gain button sets the perfect gain level for your microphones and instruments, so you get the perfect take every time.
• Control your Quantum ES right from Studio One and the Universal Control app, in addition to hardware, so you can adjust preamp gain, toggle phantom power, adjust channel settings, and more without looking away from your recording session. Perfect for dialing in optimal gain staging.
• Bright and responsive LED metering lets you keep an eye on your input and output meters, perfect when recording alone.
• 2 balanced ¼-inch TRS main outputs plus 2 balanced ¼-inch TRS line outputs and 2 high-power headphone outputs for flexible monitoring. And built-in speaker switching lets you check your mix on multiple sets of studio monitors.
• Loopback audio makes creating monitor and streaming mixes quick and easy.