Description
The PreSonus Quantum ES 2 is a 2×2 USB-C audio interface with MAX-HD mic preamps, 24-bit/192 kHz audio, and an instrument input codeveloped with Fender. It features Auto Gain, loopback audio, and the Universal Control app for seamless recording across devices, making it perfect for musicians and producers.

MAX-HD Mic Preamps
Experience transparent, low-noise audio with next-gen MAX-HD mic preamps, offering up to +75 dB of gain. Perfectly suited for modern microphones, these preamps deliver high-fidelity sound across the frequency range, ensuring studio-quality recordings every time.

Fender Instrument Input
The Quantum ES 2 features a 1/4" Hi-Z instrument input, codeveloped with Fender engineers. Designed specifically for guitarists and bassists, this input ensures exceptional sound quality, making it a top choice for musicians seeking professional-grade audio.
- 2×2, 24-bit / 192 kHz USB-C desktop audio interface
- Record on desktop, laptop, phone, tablet
- 1/4″ Hi-Z instrument input codeveloped with Fender engineers
- 2 balanced combo XLR-1/4″mic/line inputs
- 2 next-generation PreSonus MAX-HD preamps, +75 dB of gain
- Switchable +48V phantom power
- Custom low-latency driver provides exceptionally low audio latency
- 2 balanced 1/4″ TRS main outputs
- 1 high-power headphone output
- Auto gain
- Loopback audio for streaming
- 3.5mm MIDI Type-B I/O
- Bright LED display
- Control settings via Universal Control app
- Additional USB-C port provides power via wall plug / external battery when recording to a device that doesn’t provide enough power via USB
- Includes Studio One Pro, Studio One+ software
Display: LED
Channels of I/O: 2 Inputs / 2 Outputs
Maximum Sampling Rate: 192 kHz / 24-Bit
Number of Microphone Inputs: 2
Input Level Adjustment: Knob
Gain/Trim Range:
Mic Inputs: 0 to 75 dB
Hi-Z Inputs: 0 to 75 dB
Line Inputs: -10 to +10 dB
Solo/Mute: Mute per Master
Analog Audio I/O:
2x Combo XLR-1/4″ TRS Balanced Mic/Line Input
1x 1/4″ TS Hi-Z Input
2x 1/4″ TRS Balanced Line/Monitor Output
1x 1/4″ TRS Headphone Output
Phantom Power: 48 V, Selectable On/Off
Host Connection: USB-C
USB (Non-Host): 1x USB-C (Power Input)
MIDI I/O:
1x 1/8″ / 3.5 mm TRS Type-B Input
1x 1/8″ / 3.5 mm TRS Type-B Output
Frequency Response:
XLR Mic Inputs: 20 Hz to 20 kHz ±0.2 dB
Combo XLR-1/4″ Line Inputs: 20 Hz to 20 kHz ±0.1 dB
1/4″ Line Outputs: 20 Hz to 20 kHz ±0.1 dB
1/4″ Hi-Z Inputs: 20 Hz to 20 kHz ±0.2 dB
1/4″ Headphone Outputs: 20 Hz to 20 kHz ±0.2 dB
Maximum Input Level:
XLR Mic Inputs: +14 dBu (Balanced, Minimum Gain)
Combo XLR-1/4″ Line Inputs: +15 dBu (Balanced, Minimum Gain)
1/4″ Hi-Z Inputs: +15 dBu (Unbalanced, Minimum Gain)
Maximum Output Level:
1/4″ Line Outputs: +15 dBu (Balanced)
1/4″ Headphone Outputs: 7.5 dBu (at 50 Ohms)
Impedance:
Mic Inputs: 1600 Ohms
Line Inputs: 10 Kilohms
Line Outputs: 51 Ohms
Hi-Z Inputs: 1 Megohm
Headphone Outputs: 22 Ohms
Dynamic Range:
Digital: 120 dB
Hi-Z Inputs: 111 dBA
Line Inputs: 114 dBA
Mic Inputs: 113 dBA
Headphone Outputs: 111 dBA
Line Outputs: 117 dBA
THD:
Mic Inputs: 0.001% (1 kHz, Minimum Gain)
Hi-Z: 0.002% (1 kHz, Minimum Gain)
Line: 0.001% (1 kHz, Minimum Gain)
Line Outputs: 0.001% (1 kHz, +4 dBu)
Headphone Outputs: 0.02% (1 kHz)
EIN: -129 dBu (Maximum Gain, 150 Ohms, 22 kHz BW, A-Weighted)
Sample Rates: Up to 192 kHz
Bit Depths: 24-Bit
Sync Sources: Internal
OS Compatibility:
Computer: macOS / Windows
Mobile: Android/iOS
Power Requirements: USB Bus Power, USB Power Adapter (Not Included)
Dimensions: 6.9 x 6.2 x 1.9″ / 17.5 x 15.7 x 4.8 cm
Weight: 1.5 lb / 0.7 kg
















