Audio Interfaces

Presonus Quantum ES 4, 4-input / 4-output audio interface with 2 headphone outputs, 2 instrument inputs from a Fender development, 2 microphone preamps of extraordinary transparency and power. USB 2 interface on USB-C connectors, Studio One+ 6 months free.

ARTICLE N° 93895
  • Presonus Quantum ES 4
  • Technical specifications:
  • Inputs and outputs:
  • Microphone inputs: 4
  • Guitar inputs: 2
  • Line inputs: 4
  • Line outputs (DC coupled): 4
  • Headphone outputs: 2
  • USB-C ports: 1
  • Auxiliary power ports: 1
  • Microphone inputs: 4 channels (CH 1-4)
  • Connector type: 4x XLR/TRS combo
  • Maximum input level: +14 dBu (balanced, minimum gain)
  • Gain range: 0 dB to +75 dB
  • Frequency response: 20 Hz to 20 kHz, +/- 0.2 dB (nominal gain, 1 kHz reference)
  • Dynamic range: 113 dB (A-weighted, minimum gain)
  • THD+N (Total harmonic distortion + noise): 0.001% (1 kHz, minimum gain)
  • EIN (Equivalent Input Noise): -129 dBu (maximum gain, 150 Ohm, 22 kHz bandwidth, A-weighted)
  • Input impedance: 1600 Ohm
  • Line inputs: 4 channels (CH 1-4)
  • Connector type: 4x XLR/TRS combo
  • Maximum input level: +15 dBu (balanced, minimum gain)
  • Frequency response: 20 Hz to 20 kHz, +/- 0.1 dB (nominal gain, 1 kHz reference)
  • Dynamic range: 114 dB (A-weighted, minimum gain)
  • THD+N: 0.001% (1 kHz, minimum gain)
  • Input impedance: 10k Ohm
  • Digital adjustment: -10 dB to +10 dB
  • Instrument input: 2 (CH 1-2)
  • Connector type: 2x 6.35 mm (¼ inch) female jack, TS
  • Gain range: -7 dB to +68 dB
  • Maximum input level: +15 dBu (unbalanced, minimum gain)
  • Frequency response: 20 Hz to 20 kHz, +/- 0.2 dB (nominal gain, 1 kHz reference)
  • Dynamic range: 111 dB (A-weighted, minimum gain)
  • THD+N: 0.002% (1 kHz, minimum gain)
  • Input impedance: 1 MΩ
  • Main outputs (CH 1-2):
  • Connector type: 2x 6.35 mm (¼ inch) female jack, TRS
  • Maximum output level: +15 dBu (balanced)
  • Frequency response: 20 Hz to 20 kHz, +/- 0.1 dB (nominal gain, 1 kHz reference)
  • Dynamic range: 117 dB (A-weighted)
  • THD+N: 0.001% (1 kHz, +4 dBu)
  • Output impedance: 51 Ohm
  • Adjustment range: -inf dB to 0 dB
  • Line outputs (CH 3-4):
  • Connector type: 2x 6.35 mm (¼ inch) female jack, TRS
  • Maximum output level: +15 dBu (balanced)
  • Frequency response: 20 Hz to 20 kHz, +/- 0.1 dB (nominal gain, 1 kHz reference)
  • Dynamic range: 117 dB (A-weighted)
  • THD+N: 0.001% (1 kHz, +4 dBu)
  • Output impedance: 51 Ohm
  • Control range: -inf dB to 0 dB
  • Headphone outputs (1-2):
  • Connector type: 2x 6.35 mm (¼ inch) female jack, stereo TRS
  • Maximum output level: 7.5 dBu (50 Ohms)
  • Frequency response: 20 Hz to 20 kHz, +/- 0.2 dB (nominal gain, 1 kHz reference)
  • Dynamic range: 111 dB (A-weighted)
  • THD+N: 0.02% (1 kHz)
  • Output impedance: 22 Ohm
  • Control range: -inf dB to 0 dB
  • Analog-to-digital (A/D) conversion
  • Supported sampling rates: 44.1, 48, 88.2, 96, 176.4, 192 kHz
  • Depth : 24-bit
  • Power supply:
  • DC auxiliary power connector: USB-C (requires USB-C to USB-C cable, not included)
  • DC auxiliary power required: 5 V DC, 2.6 A
  • Professional recording software included – 6 months of Studio One+ with full access to Studio One, expansions and more
  • Dimensions (W x L x H): 213 x 157 x 48 mm
  • Weight: 810 g
The PreSonus Quantum ES 4 is a powerful and versatile audio interface designed for demanding musicians and creators. It offers 4 inputs and 4 outputs, 24-bit/192 kHz audio conversion, and professional-grade mic preamps for rich, detailed recordings. Its compact size and USB-C power supply make it ideal for home studios and mobile sessions.

Next-Generation MAX-HD Mic Preamps:
PreSonus’ newly designed 4 MAX-HD mic preamps deliver massive gain (+75 dB) to effectively capture the sound of your favorite microphones. Transparent and quiet, they ensure faithful reproduction of your signal.

Auto Gain and Remote Control:
Auto Gain automatically adjusts the input level for your mics and instruments, simplifying setup. In addition, you can control the preamp parameters (gain, phantom power) directly from your recording software (Studio One included) or the free Universal Control mobile app.

Versatile inputs and outputs:
The interface has 4 XLR/TRS combo inputs for microphones and instruments, additional line inputs and 2 powerful headphone outputs for comfortable monitoring. The integrated multi-monitoring function allows you to check your mix on several pairs of monitoring speakers.

Studio One recording software included
The Quantum ES 4 interface comes with a 6-month subscription to the professional version of Studio One recording software, offering complete tools for music production. You can then extend the subscription with Studio One+ annual version and continue to benefit from the incredible advantages offered by this DAW that is becoming a standard.

Key Features at a Glance:
- High-performance converters for exceptional audio quality
- Custom low-latency driver for smooth recording
- Next-generation MAX-HD mic preamps (+75 dB gain)
- Instrument inputs co-developed with Fender®
- Auto Gain function for optimal recording level
- Remote control via Studio One and the Universal Control app
- Built-in multiple monitoring
- Powerful headphone outputs
Computer connection
 USB C, USB 2
Desktop
 Yes
Maximum resolution
 24 bit
Max sampling frequency
 192
Compatibility
 MacOS, Windows
Micro input
 2
Phantom power
 Yes
Instrument input
 Yes
Line input
 2
Line output
 2
Headphone output
 1
MIDI port
 Yes
Number of connectable speaker pairs
 1
Software incl.
 Studio One+ (6 months)
Power supply
 Via USB bus

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