4 x 4, 24-bit / 192 kHz Recording Interface with Studio One Pro Perpetual License Included
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 Quantum 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.

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.

Studio One Pro 7 DAW Software Included.
Your hardware registration includes a perpetual License to Studio One Pro.

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 Pro and the Universal Control app, so you can dial in the perfect gain staging without looking away from your recording session.