PreSonus Quantum ES 2 USB-C Audio Interface

Product Overview Capture your creativity with the PreSonus Quantum ES 2. Featuring custom low-latency drivers that provide exceptionally low audio latencies when recording, and high-performance converters complete the front end to make sure you sound your best throughout your entire signal chain.

The Quantum ES 2 features two newly designed mic preamps with +75 dB of gain. The result of 30 years of innovation, MAX-HD preamps are transparent, low-noise, and digitally-controlled analogue, making them perfectly suited to today’s most popular microphones. Features Features Specification
Inputs and Outputs Microphone Inputs: 2
Guitar Inputs: 1
Line Inputs: 2
Line Outputs (DC coupled): 2
Headphone Outputs: 1
USB-C ports: 1
Aux power ports: 1

AD / DA Conversion
Supported Sample Rates: 44.1, 48, 88.2, 96, 176.4, 192
Bit Depth: 24
Analogue I/O Inputs
Microphone (CH 1 - 2)
Connector Type: 2x Combo-style, XLR / TRS
Max Input: +14 dBu (balanced, minimum gain)
Gain Range: 0 dB to +75 dB
Frequency Response: 20 Hz to 20 kHz, +/- 0.2 dB (unity gain, reference 1 kHz)
Dynamic Range: 113 dB (A-weighted, minimum gain)
THD+ N: 0.001% (1 kHz, minimum gain)
EIN: -129 dBu (max gain, 150 Ohms, 22 kHz BW, A-weighted)
Input Impedance: 1600 Ohms

Line In (CH 1 - 2)
Connector Type: 2x Combo-style, XLR / TRS
Max input level: +15 dBu (balanced, minimum gain)
Frequency Response: 20 Hz to 20 kHz, +/- 0.1 dB (unity gain, reference 1 kHz)
Dynamic Range: 114 dB (A-weighted, minimum gain)
THD + N: 0.001% (1 kHz, minimum gain)
Input Impedance: 10K Ohms
Digital Trim: -10 to +10 dB

Instrument In (Ch 1)
Connector Type: 1 x ¼-inch Female
Gain Range: -7 dB to +68 dB
Max input level: +15 dBu (unbalanced, minimum gain)
Frequency Response: 20 Hz to 20 kHz, +/- 0.2 dB (unity gain, reference 1 kHz)
Dynamic Range: 111 dB (A-weighted, minimum gain)
THD + N: 0.002% (1 kHz, minimum gain)
Input Impedance: 1M Ohms

Outputs
Main Out (CH 1 - 2)
Connector Type 2x ¼-inch Female, TRS
Max Output Level +15 dBu (Balanced)
Frequency Response 20 Hz to 20 kHz, +/- 0.1 dB (unity gain, reference 1 kHz)
Dynamic Range 117 dB (A-weighted)
THD + N 0.001% (1 kHz, +4 dBu)
Output Impedance 51 Ohms
Trim Range -inf dB to 0 dB

Headphone Out
Connector Type 1x ¼-inch Female, TRS Stereo
Max Output Level 7.5 dBu (50 Ohms)
Frequency Response 20 Hz to 20 kHz, +/- 0.2 dB(unity gain, reference 1 kHz)
Dynamic Range 111 dB (A-weighted)
THD + N 0.02% (1 kHz)
Output Impedance 22 Ohms
Trim Range -inf dB to 0 dB
Aux Power DC Connector USB-C (USB-C to USB-C cable required, not included)
Aux Power DC Requirements 5VDC, 1.8A
Product Dimensions Length: 6.9’’ (175 mm)
Width: 6.2’’ (157 mm)
Height: 1.9’’ (48 mm)
Weight 1.5 lb (0.68 kg)