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)

EVANS E16ER2 E-RING 16 CLEAR WIDTH 2
GRETSCH G9100 SOPRANO UKULELE
DADDARIO ACCESSORIES FRETBOARD CONDITIONER PWFBC
KORG VOLCA BEATS
ORTEGA BONFIRE SERIES CONCERT UKULELE SAPELE NATURAL
ORANGE DUAL FOOTSWITCH FS2
DUNLOP 83CB ACOUSTIC TRIGGER CAPO
IBANEZ GSR200SM NGT ELECTRIC BASS NATURAL GRAY BURST
TAYLOR 514CE V-CLASS
GRETSCH G9110-L LONG NECK CONCERT UKULELE
DADDARIO ACCESSORIES STD ACRYLUX RESO 25PACK
DADDARIO ACCESSORIES 50A05 WOVEN GUITAR STRAP TIKI
MEINL CYMBALS HCS BRONZE COMPLETE SET 14/16/20
DADDARIO ACCESSORIES 25PRF04
KEELEY MAGNETIC ECHO DELAY MODULATED TAPE DELAY
MOOER PEDAL CONNECTOR Z
AHEAD STICK TIP BALL
TAYLOR 512CE V-CLASS
K&M RUBBER FOOT FOR 21435
DADDARIO ACCESSORIES PICK
JACKSON PRO KING V KVTMG SNOW WHITE
FENDER '51 NOCASTER PICKUP
ERNIE BALL .018 RPS PLAIN SINGLE STRING
K&M 10111 BAG
AKG PERCEPTION LIVE P2
IBANEZ GRX70QA-TRB GIO TRANSPARENT RED SUNBURST
EVANS BD20GB4UV 20 UV EQ4 COATED BASS DRUM HEAD
YAMAHA TRBX305 BLACK
FENDER CLASSIC '72 TELECASTER CUSTOM MN 3TS
YAMAHA PACIFICA 012RMII ELECTRIC GUITAR RED METALLIC
IBANEZ UV70P-BK STEVE VAI 7-STRING
IBANEZ RG421-MOL MAHOGANY OIL ELECTRIC GUITAR
TAYLOR 214CE KOA DELUXE
AKG PERCEPTION 170
IBANEZ RG421EXBKF BLACK FLAT
ORANGE TWO STROKE BOOST EQ
AKG C-5
TAKAMINE GN30CE BLACK
FOCUSRITE SCARLETT 2i2 STUDIO PACK 4TH GEN
KLOTZ USB CABLE A-PLUG/MINI-B-PLUG 3M
BOSS DM2W DELAY WAZA CRAFT
PRESONUS QUANTUM 2 