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)

IBANEZ GRX70QA-TBB GIO TRANSPARENT BLUE SUNBURST
DUNLOP 286SI JOHNNY WINTER SLIDE
AKG K52 HEADPHONES
DADDARIO ACCESSORIES RENEW STRING CLEANER
VOX VFS5 FOOTSWITCH
KORG MONOTRON DUO
DADDARIO ACCESSORIES 50C03 WOVEN GUITAR STRAP CHOPPER
FENDER STRAT WHITE SWITCH TIPS
EVANS EC1 COATED 13 INCH
YAMAHA YTR 8335LA CUSTOM WAYNE BERGERON Bb TRUMPET
ROLAND RUBIX24 USB AUDIO INTERFACE
YAMAHA FX 370C
GIBSON LES PAUL TRIBUTE SATIN HONEYBURST
SHURE SM63L OMNIDIRECTIONAL DYNAMIC REPORTER MICROPHONE
KLOTZ DAISY CHAIN DC9V5
ALESIS NITRO PRO ELECTRONIC DRUM KIT
YAMAHA PACIFICA 012BLII ELECTRIC GUITAR BLACK
DADDARIO ACCESSORIES FINGER PICKS LARGE 5 PACK
MEINL NINO950 CAJON
DADDARIO ACCESSORIES GLASS SLIDE SMALL
PRS SE-MHHB MARK HOLCOMB
STAGG 925BK FEMALE XLR
EVANS UTILITY DRUM KEY
FENDER MESQUITE ACOUSTIC PICKUP HB
EVANS EC2 COATED 13 INCH
IBANEZ GRG170DXBKN
IBANEZ GRG 140 HSS SUNBURST
DADDARIO ACCESSORIES 50A12 WOVEN GUITAR STRAP VOODOO
MOOER HORNET 30W MODELING GUITAR AMPLIFIER BLACK
IBANEZ GSA60WNF WALNUT FLAT
VIC FIRTH 2BN AMERICAN CLASSIC NYLON TIP
IBANEZ AW54L-OPN ARTWOOD LEFT HANDED ACOUSTIC GUITAR OPEN PORE NATURAL
STAGG PHB-100 PICK HOLDER VARIOUS COLOURS
TAKAMINE GN20-NS
DADDARIO ACCESSORIES 50E03 WOVEN GUITAR STRAP SAUGERTIES
GRETSCH G9110-L LONG NECK CONCERT UKULELE
TAYLOR 110E
SHURE SE SERIES HEADPHONE CABLE CLEAR
VIC FIRTH 7A HICKORY WOOD TIP
DADDARIO ACCESSORIES STD ACRYLUX RESO 25PACK
YAMAHA YTR 2330 Bb STUDENT TROMPET + SOFT BAG
FENDER GENUINE BROKEN-IN LEATHER STRAP TAN
DUNLOP 221SI KNUCKLE CHROME STEEL SLIDE
YAMAHA TRBX174 RED
DADDARIO ACCESSORIES 50B01 WOVEN GUITAR STRAP BLACK SATIN
ORANGE CRUSH 20 GUITAR COMBO
GEWA PIEZO-PICKUP WITH PLUG IN CABLE
ROLAND RUBIX44 USB AUDIO INTERFACE 