Capture your creativity with the Quantum ES 4. The next generation of PreSonus audio interfaces, the Quantum ES 4 is the culmination of nearly 30 years of PreSonus expertise, providing the ultimate recording tool for musicians and content creators.
FEATURES
- High Performance Signal Flow – Custom low-latency drivers and low-noise converters.
- All-New MAX-HD Mic Preamps – The culmination of 30 years of innovation, our rigorously redesigned preamps feature digitally-controlled analog with +75 dB of gain range.
- Co-Developed with Fender® – Front-facing instrument inputs engineered for guitarists by industry-leading experts.
- Professional Recording Software Included – 6 months of Studio One+ with full access to Studio One Professional Edition, add-ons, and more.
- Auto Gain – Dial in recording-ready levels, hassle-free.
- Universal Control App – Full control and metering from your mobile device, desktop, or tablet.
Outputs
111 dB (A-Weighted)
20 Hz to 20 kHz, +/- 0.2 dB (Unity Gain, Reference 1 kHz)
22 Ohms
7.5 dBu (50 Ohms)
0.02% (1 kHz)
117 dB (A-Weighted)
20 Hz to 20 kHz, +/- 0.1 dB (Unity Gain, Reference 1 kHz)
+15 dBu (Balanced)
51 Ohms
0.001% (1 kHz, +4 dBu)
1/4″ TRS Female
Inputs
111 dB (A-Weighted, Minimum Gain)
20 Hz to 20 kHz, +/- 0.2 dB (Unity Gain, Reference 1 kHz)
75 dB
+15 dBu (Unbalanced, Minimum Gain)
114 dB (A-Weighted, Minimum Gain)
20 Hz to 20 kHz, +/- 0.1 dB (Unity Gain, Reference 1 kHz)
+/- 10 dB
10K Ohms
+15 dBu (Balanced, Minimum Gain)
0.001% (1 kHz, Minimum Gain)
XLR Female (Combo), Balanced
113 dB (A-Weighted, Minimum Gain)
-129 dBu (Maximum Gain, 150 Ohms, 22 kHz BW)
20 Hz to 20 kHz, +/- 0.2 dB (Unity Gain, Reference 1 kHz)
75 dB
1600 Ohms
+14 dBu (Balanced, Minimum Gain)
0.001% (1 kHz, Minimum Gain)
Electronics
Two – 1/4″ TRS Female Stereo
USB-C®
+48 VDC
Performance
24-bit
120 dB
44.1, 48, 88.2, 96, 176.4, 192 (kHz)

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