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)

KLOTZ KIK 1,5M INSTRUMENT CABLE BLACK
KLOTZ JOE BONAMASSA GUITAR STRAIGHT 6M
GRETSCH G5426 JET CLUB SILVER
DADDARIO ACCESSORIES 50JS02 JOE SATRIANI STRAP UP IN FLAMES
PRS SE-SANTANA YELLOW
DADDARIO ACCESSORIES SATRIANI PICK SET BLACK 10-PACK
STAGG TIKI SOPRANO UKULELE US-TIKIAH
GRAPHTECH TUSQ PQ-2200-00 F-STYLE GUITAR OR BASS NUT FLAT BLANK
YAMAHA AG03MK2 LIVE STREAMING MIXER AND USB AUDIO INTERFACE WHITE
YAMAHA JR2 TOBACCO BROWN SB
FENDER CLASSIC '72 TELECASTER CUSTOM MN 3TS
KLOTZ TM.STEVENS FUNKMASTER ANGLED 6M
STAGG TIKI SOPRANO UKULELE US-TIKIEH
DUNLOP JCS-50C JOHNNY CASH CAPO
FOCUSRITE CLARETT PLUS 4PRE 