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 Pro+ with full access to Studio One Pro, 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.

Accessories

Included Accessories

1.5M USB-C to USB-C cable

Electronics

Connectivity

USB-C®

Headphone Jack

Two - 1/4" TRS Female Stereo

Phantom Power

+48 VDC

Voltage

120V

General

Color

Black

Product Name

Quantum ES 4 USB-C Audio Interface

Series

Quantum

Inputs

Instrument Inputs Dynamic Range

111 dB (A-Weighted, Minimum Gain)

Instrument Inputs Frequency Response

20 Hz to 20 kHz, +/- 0.2 dB (Unity Gain, Reference 1 kHz)

Instrument Inputs Gain Range

75 dB

Instrument Inputs Maximum Level

+15 dBu (Unbalanced, Minimum Gain)

Line Inputs Dynamic Range

114 dB (A-Weighted, Minimum Gain)

Line Inputs Frequency Response

20 Hz to 20 kHz, +/- 0.1 dB (Unity Gain, Reference 1 kHz)

Line Inputs Gain Range

+/- 10 dB

Line Inputs Impedance

10K Ohms

Line Inputs Maximum Level

+15 dBu (Balanced, Minimum Gain)

Line Inputs Total Harmonic Distortion

0.001% (1 kHz, Minimum Gain)

Microphone Input Connection Type

XLR Female (Combo), Balanced

Microphone Preamp Dynamic Range

113 dB (A-Weighted, Minimum Gain)

Microphone Preamp Equivalent Input Noise

-129 dBu (Maximum Gain, 150 Ohms, 22 kHz BW, A-Weighted)

Microphone Preamp Frequency Response

20 Hz to 20 kHz, +/- 0.2 dB (Unity Gain, Reference 1 kHz)

Microphone Preamp Gain Control Range

75 dB

Microphone Preamp Input Impedance

1600 Ohms

Microphone Preamp Maximum Input Level

+14 dBu (Balanced, Minimum Gain)

Microphone Preamp Total Harmonic Distortion

0.001% (1 kHz, Minimum Gain)

Measurements

Product Depth

6.2" (158 mm)

Product Height

1.9" (48.3 mm)

Product Width

8.4" (213 mm)

Miscellaneous

Commodity Code

8517620000

Supported Sample Rates

44.1, 48, 88.2, 96, 176.4, 192 (kHz)

Output

Headphone Outputs Dynamic Range

111 dB (A-Weighted)

Headphone Outputs Frequency Response

20 Hz to 20 kHz, +/- 0.2 dB (Unity Gain, Reference 1 kHz)

Headphone Outputs Impedance Working Range

22 Ohms

Headphone Outputs Maximum Output

7.5 dBu (50 Ohms)

Headphone Outputs Total Harmonic Distortion

0.02% (1 kHz)

Line Outputs Connection Type

1/4" TRS Female

Main And Line Outputs Dynamic Range

117 dB (A-Weighted)

Main And Line Outputs Frequency Response

20 Hz to 20 kHz, +/- 0.1 dB (Unity Gain, Reference 1 kHz)

Main And Line Outputs Maximum Level

+15 dBu (Balanced)

Main And Line Outputs Output Impedance

51 Ohms

Main And Line Outputs Total Harmonic Distortion

0.001% (1 kHz, +4 dBu)

Main Outputs Connection Type

1/4" TRS Female

Performance

Digital Audio Bit Depth

24-bit

Digital Audio Dynamic Range

120 dB