The art of audio meets the science of sound.

Take the leap with Quantum, the next generation of PreSonus audio interfaces. Quantum ES and Quantum HD interfaces deliver newly redesigned MAX-HD preamps, class-leading converters, front-facing instrument inputs co-developed by industry-leading experts at Fender®, and stunning, high-fidelity performance for self-made audio creators and professional studio sessions.

Compare Quantum models

Pro DAW, control app, and more included.

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Access to Studio One Pro recording software included with all Quantum interfaces.

Quantum interfaces include completely free, 6-month (Quantum ES) or 12-month Hybrid (Quantum HD) memberships to Studio One+, a complete music production ecosystem including access to Studio One Pro recording software, collaboration tools, sample and loop libraries, add-ons, and exclusive learning content. No credit card required. And with Quantum HD interfaces, you'll also get a Studio One Pro Perpetual License—yours to keep after your 12-month membership ends.

Already a Studio One+ member? You can stack your free membership period onto your current plan when you register your Quantum ES or HD interface.

Explore Studio One+




One app. For every essential hardware function.

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Custom Audio Driver & Firmware Management | Software Control | Monitor Mixing | Audio Loopback | Available on Mobile, Desktop, & Tablet

Universal Control brings Quantum ES's entire front panel of features into one digital application, facilitating easy remote hardware control from your desktop, tablet, or mobile phone. Monitor mixing, loopback audio, and MAX-HD preamp functions like gain, phantom power, and more can all be controlled right from the app.

Download Universal Control for Desktop

Web-based User Portal & Mobile App

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Product Registration | Manuals | Software Downloads | Studio One+ | Account Management | Learning Content | Workspaces

MyPreSonus is your one-stop shop for registering your hardware and software, downloading user guides, manuals and documentation, contacting technical support, and accessing all your available software downloads. On a Studio One+ plan? MyPreSonus is also home to all cloud-based Studio One+ tools and features like Workspaces, 100GB cloud storage, exclusive livestreams, learning content, and more.

Create a free MyPreSonus account



Which Quantum is right for you?

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Quantum ES 2

2 x 2, 24-bit / 192 kHz Recording Audio Interface 

US$229.99

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2

MAX-HD Mic Preamps

Transparent, low-noise, and digitally-controlled analog.

+75dB

MAX-HD Mic Preamp Gain Range

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High-performance converters

120dB

Digital Audio Dynamic Range (DAC)

1

Headphone Out

1x Front-Panel ¼-inch Female, TRS Stereo

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1 Instrument Input

Co-developed by Fender engineers

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Auto Gain

Set the perfect gain level for microphones and instruments.

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Studio One+ 6 Months Included Free

Free access to Studio One Pro, add-ons, Workspaces, sound libraries, and learning content.

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Universal Control

Full control and metering from your desktop, tablet, or mobile device.

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Loopback Audio

Quickly create monitor and streaming mixes.

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USB-C Bus-Powered

2

Line Outputs

2x Main Outs ¼-inch Female, TRS

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Quantum ES 4

4 x 4, 24-bit / 192 kHz Recording Audio Interface

US$329.99

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4

MAX-HD Mic Preamps

Transparent, low-noise, and digitally-controlled analog.

+75dB

MAX-HD Mic Preamp Gain Range

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High-performance converters

120dB

Digital Audio Dynamic Range (DAC)

2

Headphone Outs

2x Front-Panel ¼-inch Female, TRS Stereo

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2 Instrument Inputs

Co-developed by Fender engineers

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Auto Gain

Set the perfect gain level for microphones and instruments.

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Studio One+ 6 Months Included Free

Free access to Studio One Pro, add-ons, Workspaces, sound libraries, and learning content.

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Universal Control

Full control and metering from your desktop, tablet, or mobile device.

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Loopback Audio

Quickly create monitor and streaming mixes.

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USB-C Bus-Powered

4

Line Outputs

2x Main ¼" TRS, 2x Line Out ¼" TRS

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Speaker Switching

Check your mixes on two sets of studio monitors.

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Quantum HD 2

20 x 24, 32-bit / 192 kHz Recording Audio Interface

US$499.99

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2

MAX-HD Mic Preamps

Transparent, low-noise, and digitally-controlled analog.

+75dB

MAX-HD Mic Preamp Gain Range

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High-performance converters

124dB

Digital Audio Dynamic Range (DAC)

1

Headphone Out

1x Front-Panel ¼-inch Female, TRS Stereo

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2 Instrument Inputs

Co-developed by Fender engineers

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Auto Gain

Set the perfect gain level for microphones and instruments.

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Studio One Pro License & Studio One+ 12 Months

Studio One Pro Perpetual License and 12-Month Studio One+.Hybrid Membership

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Universal Control

Full control and metering from your desktop, tablet, or mobile device.

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Loopback Audio

DSP monitor mixer plus loopback audio

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USB-C Connectivity

4

Line Outputs

2x Main ¼" TRS, 2x Line Out ¼" TRS

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Speaker Switching

Check your mixes on two sets of studio monitors.

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2 Re-amp Outputs

2x Front-Panel 1/4" Female, TRS

HD

Full-color, high-resolution screen.

ADAT

Up to 48 kHz

16 channels of ADAT Optical input plus stereo S/ PDIF I/O.

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Quantum HD 8

26 x 30, 32-bit / 192 kHz Recording Audio Interface

US$999.99

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8

MAX-HD Mic Preamps

Transparent, low-noise, and digitally-controlled analog.

+75dB

MAX-HD Mic Preamp Gain Range

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High-performance converters

124dB

Digital Audio Dynamic Range (DAC)

2

Headphone Outs

2x Front-Panel ¼-inch Female, TRS Stereo

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2 Instrument Inputs

Co-developed by Fender engineers

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Auto Gain

Set the perfect gain level for microphones and instruments.

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Studio One Pro License & Studio One+ 12 Months

Studio One Pro Perpetual License and 12-Month Studio One+.Hybrid Membership

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Universal Control

Full control and metering from your desktop, tablet, or mobile device.

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Loopback Audio

DSP monitor mixer plus loopback audio

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USB-C Connectivity

10

Line Outputs

2x Main ¼" TRS, 8x Line Out ¼" TRS

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Speaker Switching

Check mixes on multiple sets of studio monitors.

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2 Re-amp Outputs

2x Front-Panel 1/4" Female, TRS

HD

Full-color, high-resolution screen.

ADAT

Up to 48 kHz

16 channels of ADAT Optical input plus stereo S/ PDIF I/O.

ADAT

Standalone Mode

Adds 8 pres and 10 outs to your existing audio interface – connect up to 2 additional Quantum HD 8s through ADAT for a total of 24 mic pres at sample rates up to 48 kHz.

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Quantum ES 2

2 x 2, 24-bit / 192 kHz Recording Audio Interface 

US$229.99

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Quantum ES 4

4 x 4, 24-bit / 192 kHz Recording Audio Interface

US$329.99

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Quantum HD 2

20 x 24, 32-bit / 192 kHz Recording Audio Interface

US$499.99

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Quantum HD 8

26 x 30, 32-bit / 192 kHz Recording Audio Interface

US$999.99