Unleash Your Creative Potential: PreSonus Quantum ES 4 24-Bit/192 kHz USB Audio Recording Interface, 4 x 4
Capture pristine audio and ignite your sonic vision with the PreSonus Quantum ES 4. This next-generation interface represents the culmination of PreSonus' 30-year legacy, delivering the ultimate recording toolkit for modern musicians and content creators.

Unmatched Performance
The custom low-latency driver minimizes signal lag for seamless recording, while high-performance converters guarantee exceptional audio fidelity throughout your entire signal chain.

Revolutionize Your Recordings with All-New MAX-HD Preamps
Boasting a massive +75dB of gain, the transparent, low-noise MAX-HD preamps are digitally controlled for unparalleled sonic clarity. These versatile preamps are ideal for capturing the nuances of any instrument, unleashing the full potential of your microphones.

A Collaboration Built for Guitarists and Bassists
The instrument input, meticulously co-developed with legendary Fender engineers, delivers a sound specifically crafted to elevate your electric guitars and basses.

Empower Your Workflow with Included Software
Dive into the world of professional recording with a complimentary 6-month subscription to Studio One+. This grants access to the powerful Studio One Professional Edition, valuable add-ons, and more.

Effortlessly Achieve Perfect Levels
The Auto Gain feature automatically sets the optimal gain level for your microphones and instruments, ensuring consistently flawless takes.

Unleash Unmatched Control
The Quantum ES 4 integrates seamlessly with mobile and desktop devices, allowing you to capture inspiration wherever it strikes. Fine-tune critical preamp functions like gain, phantom power, and more directly from the Quantum ES 4's top panel, Studio One, or the convenient Universal Control app - all without interrupting your creative flow.

The PreSonus Quantum ES 4 audio interface - ignite your creativity and redefine your sonic possibilities.

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Key Features

• Reduced Latency: Experience seamless recording and monitoring with custom low-latency drivers.
  
• Crystal-Clear Recordings: Capture pristine audio with premium, low-noise converters.
  
• Unmatched Sound Quality: All-new MAX-HD preamps deliver professional-grade recordings with +75 dB of gain for even the quietest instruments.
  
• Decades of Expertise: Benefit from over 30 years of preamp innovation for unparalleled audio fidelity.
  
• Unleash Your Tone: Co-developed with Fender, the front-facing instrument inputs are meticulously engineered to capture the full essence of your guitar.
  
• Trusted by Legends: Experience the same quality trusted by industry-leading guitarists.
  
• Powerful Software Included: Get started recording right away with 6 months of Studio One+ featuring a vast library of sounds, effects, and editing tools.
  
• Professional Features: Access the full potential of Studio One Professional Edition for advanced recording and mixing capabilities (mention specific features if possible).
  
• Automatic Gain Control: Achieve perfect recording levels every time with the intuitive Auto Gain feature.
  
• Focus on Performance: Eliminate technical hassles and concentrate on creating your music.
  
• Mobile or Desktop Control: Take complete command of your recording setup from your mobile device, desktop, or tablet with the Universal Control App.
  
• Real-Time Metering: Monitor your audio levels visually for optimal recording quality.

Technical Specifications

Controls And Connections
Headphone Jack
Two - 1/4” TRS Female Stereo
Connectivity
USB-C
MIDI I/O
3.5 mm Type-B
Microphone Preamp
Microphone Input Connection Type
XLR Female (Combo), Balanced
Total Harmonic Distortion
0.001% (1 kHz, Minimum Gain)
Gain Control Range
75 dB
Microphone Preamp Maximum Input Level
+14 dBu (Balanced, Minimum Gain)
Phantom Power
+48 VDC
Frequency Response
20 Hz to 20 kHz, +/- 0.2 dB (Unity Gain, Reference 1 kHz)
Microphone Preamp Input Impedance
1600 Ohms
Dynamic Range
113 dB (A-Weighted, Minimum Gain)
Equivalent Input Noise
-129 dBu (Maximum Gain, 150 Ohms, 22 kHz BW, A-Weighted)
Instrument Inputs
Instrument Inputs Impedance
1M Ohms
Instrument Inputs Maximum Level
+15 dBu (Unbalanced, Minimum Gain)
Gain Range
75 dB
Frequency Response
20 Hz to 20 kHz, +/- 0.2 dB (Unity Gain, Reference 1 kHz)
Dynamic Range
111 dB (A-Weighted, Minimum Gain)
Total Harmonic Distortion
0.002% (1 kHz, Minimum Gain)
Line Inputs
Line Inputs Maximum Level
+15 dBu (Balanced, Minimum Gain)
Line Inputs Gain Range
+/- 10 dB
Line Inputs Frequency Response
20 Hz to 20 kHz, +/- 0.1 dB (Unity Gain, Reference 1 kHz)
Line Inputs Dynamic Range
114 dB (A-Weighted, Minimum Gain)
Line Inputs Total Harmonic Distortion
0.001% (1 kHz, Minimum Gain)
Line Inputs Impedance
10K Ohms
Main And Line Outputs
Main And Line Outputs Maximum Level
+15 dBu (Balanced)
Main And Line Outputs Frequency Response
20 Hz to 20 kHz, +/- 0.1 dB (Unity Gain, Reference 1 kHz)
Main And Line Outputs Total Harmonic Distortion
0.001% (1 kHz, +4 dBu)
Main And Line Outputs Dynamic Range
117 dB (A-Weighted)
Main And Line Outputs Output Impedance
51 Ohms
Line Outputs Connection Type
1/4” TRS Female
Headphone Outputs
Headphone Outputs Maximum Output
7.5 dBu (50 Ohms)
Frequency Response
20 Hz to 20 kHz, +/- 0.2 dB (Unity Gain, Reference 1 kHz)
Dynamic Range
111 dB (A-Weighted)
Total Harmonic Distortion
0.02% (1 kHz)
Headphone Outputs Impedance Working Range
22 Ohms
Digital Audio
Digital Audio Dynamic Range
120 dB
Digital Audio Bit Depth
24-bit
Supported Sample Rates
44.1, 48, 88.2, 96, 176.4, 192 (kHz)
Weights And Dimensions
Height
1.9” (48.3 mm)
Depth
6.2” (158 mm)
Width
8.4” (213 mm)
Weight
1.8 lbs. (0.82 kg)
Accessories
Included Accessories
1.5M USB-C to USB-C cable