- Introducing the ES Tabletop Series
 - A giant leap forward into the next generation of PreSonus audio interfaces and the culmination of nearly 30 years of pro audio equipment design, Quantum ES 2 and Quantum ES 4 are the ultimate tools for self-produced recording and studio-quality music production.
 - The New Face of Desktop Recording
 - Ergonomic tabletop chassis packed with pristine MAX-HD preamps and class-leading converters for self-made audio creators.
 - Flow-Friendly Front Panel
 - Plug into instrument inputs co-developed by Fender engineers and specifically designed for guitar and bass, then start studio-quality recordings fast by setting perfect gain levels on your mics and instruments with easy-to-use Auto Gain.
 - Quantum ES4
 - All the connections you need—highlighted by two or four newly redesigned MAX-HD mic preamp inputs delivering transparent, low-noise, digitally-controlled analog. With +75 dB of gain range, MAX-HD mic preamps are ideally suited for today’s most popular mics.
 - Low-Latency High Performance
 - Quantum's custom drivers provide exceptionally low signal lag when recording, while high-performance converters and powerful headphone outs complete the front end — ensuring flexible audio monitoring and superior sound throughout your entire signal chain.
 - 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: Studio One Pro License.
 - Auto Gain: Dial in recording-ready levels, hassle-free.
 - Universal Control App: Full control and metering from your mobile device, desktop, or tablet.
 - Included Accessories: 1.5M USB-C to USB-C cable
 - Connectivity: USB-C®
 - Headphone Jack: Two - 1/4" TRS Female Stereo
 - Phantom Power: +48 VDC
 - Color: Black
 - Product Name: Quantum ES 4 USB-C Audio Interface
 - Series: Quantum
 - 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 1kHz)
 - 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 1kHz)
 - Line Inputs Total Harmonic Distortion: 0.001% (1kHz, Minimum Gain)
 - Line Inputs Maximum Level: +15 dBu (Balanced, Minimum Gain)
 - Line Inputs Impedance: 10K Ohms
 - Microphone Input Connection Type: XLR Female (Combo), Balanced
 - Microphone Preamp Dynamic Range: 113 dB (A-Weighted, Minimum Gain)
 - Microphone Preamp Maximum Input Level: +14 dBu (Balanced, Minimum Gain)
 - Microphone Preamp Total Harmonic Distortion: 0.001% (1kHz, Minimum Gain)
 - Product Depth: 6.2" (158 mm)
 - Product Height: 1.9" (48.3 mm)
 - Product Width: 8.4" (213 mm)
 - Commodity Code: 851762.0090
 - Supported Sample Rates: 44.1, 48, 88.2, 96, 176.4, 192 (kHz)
 - Headphone Outputs Dynamic Range: 111 dB (A-Weighted)
 - Headphone Outputs Frequency Response: 20 Hz to 20 kHz, +/- 0.2 dB (Unity Gain, Reference 1kHz)
 - Headphone Outputs Impedance Working Range: 22 Ohms
 - Headphone Outputs Maximum Output: 7.5 dBu (50 Ohms)
 - Headphone Outputs Total Harmonic Distortion: 0.02% (1kHz)
 - 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 1kHz)
 - 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% (1kHz, +4 dBu)
 - Main Outputs Connection Type: 1/4" TRS Female
 - Digital Audio Bit Depth: 24-bit
 - Digital Audio Dynamic Range: 120 dB
 
Features
Details
- Computer Connectivity: USB-C
 - Form Factor: Desktop
 - Number of Preamps: 4 x MAX-HD mic preamps
 - A/D Resolution: 24-bit/192kHz
 - Analog Inputs: 4 x XLR-1/4" combo (mic/line), 2 x 1/4" (instrument)
 - Analog Outputs: 4 x 1/4" TRS
 - Dynamic Range: 120 dB (A-weighted)
 - Frequency Response: 20 Hz to 20 kHz, +/- 0.2 dB
 - Phantom Power: Yes
 - reverb_sync: on
 - reverb_price_sync: on
 - reverb_offers: off