Description
Auto Gain & Remote Control
The Auto Gain function automatically sets the perfect input level for microphones and instruments, eliminating guesswork and optimizing recording quality. With the Universal Control app, you can adjust preamp settings, monitor levels, and toggle phantom power from your desktop or mobile device, ensuring total flexibility in any recording setup.
MAX-HD Preamps
Featuring four next-gen MAX-HD preamps with +75 dB of gain, the Quantum ES 4 ensures crystal-clear, low-noise recordings. These digitally controlled preamps provide exceptional transparency, making them ideal for professional microphones. Control settings directly from Studio One or the Universal Control app for seamless workflow integration.
- 4×4, 24-bit / 192 kHz USB-C desktop audio interface
- Record on desktop, laptop, phone, tablet
- 2 1/4″ Hi-Z instrument inputs co-developed with Fender engineers
- 4 balanced combo XLR-1/4″ mic/line inputs
- 4 next-generation PreSonus MAX-HD preamps, +75 dB of gain
- Switchable +48V phantom power
- Custom, low-latency driver provides exceptionally low audio latencies
- 2 balanced 1/4″ TRS main outputs, 2 balanced 1/4″ TRS line outputs
- 2 high-power headphone outputs
- Auto gain
- Loopback audio for streaming
- 3.5mm MIDIÂ Type-B I/O
- Bright LED display
- Control settings via Universal Control app
- Additional USB-C port provides power via wall plug/external battery when recording to a device that doesn’t provide enough power via USB
- Includes Studio One Pro, Studio One+ software
Channels of I/O: 4 Inputs / 4 Outputs
Built-In DSP: No
Maximum Sampling Rate: 192 kHz / 24-Bit
Number of Microphone Inputs: 4
Built-In Microphone: No
Input Level Adjustment: Knob
Pad: No
Gain/Trim Range:
Mic Inputs: 75 dB
Hi-Z Inputs: 75 dB
Line Inputs: -10 dB to +10 dB
High-Pass Filter: No
Solo/Mute: Mute per Master
Analog Audio I/O:
4x Combo XLR-1/4″ TRS Balanced Mic/Line Input
2x 1/4″ TS Hi-Z Input
4x 1/4″ TRS Balanced Line/Monitor Output
2x 1/4″ TRS Headphone Output
Phantom Power: 48 V, Selectable On/Off
Digital Audio I/O: No
Host Connection: USB-C
Host Connection Protocol: Not Specified by Manufacturer
USB (Non-Host): 1x USB-C (Power Input)
Sync I/O: No
Network I/O: No
MIDI I/O:
1x 1/8″ / 3.5 mm TRS Type-B Input
1x 1/8″ / 3.5 mm TRS Type-B Output
Expansion Slots: No
Wireless: No
Frequency Response:
XLR Mic Inputs: 20 Hz to 20 kHz ±0.2 dB
1/4″ Hi-Z Inputs: 20 Hz to 20 kHz ±0.2 dB
Combo XLR-1/4″ Line Inputs: 20 Hz to 20 kHz ±0.1 dB
1/4″ Line Outputs: 20 Hz to 20 kHz ±0.1 dB
1/4″ Headphone Outputs: 20 Hz to 20 kHz ±0.2 dB
Maximum Input Level:
XLR Mic Inputs: +14 dBu (Balanced, Minimum Gain)
1/4″ Hi-Z Inputs: +15 dBu (Unbalanced, Minimum Gain)
Combo XLR-1/4″ Line Inputs: +15 dBu (Balanced, Minimum Gain)
Maximum Output Level
1/4″ Line Outputs: +15 dBu (Balanced)
1/4″ Headphone Outputs: 7.5 dBu (at 50 Ohms)
Impedance
Mic Inputs: 1600 Ohms
Line Inputs: 10 Kilohms
Line Outputs: 51 Ohms
Hi-Z Inputs: 1 Megohm
Headphone Outputs: 22 Ohms
Dynamic Range
Mic Inputs: 113 dBA
Hi-Z Inputs: 111 dBA
Line Inputs: 114 dBA
Line Outputs: 117 dBA
Headphone Outputs: 111 dBA
Digital: 120 dB
THD
Mic Inputs: 0.001% (1 kHz, Minimum Gain)
Hi-Z: 0.002% (1 kHz, Minimum Gain)
Line: 0.001% (1 kHz, Minimum Gain)
Line Outputs: 0.001% (1 kHz, +4 dBu)
Headphone Outputs: 0.02% (1 kHz)
EIN: -129 dBu (Maximum Gain, 150 Ohms, 22 kHz BW, A-Weighted)
Sample Rates: Up to 192 kHz
Sample Rate Conversion: No
Bit Depths: 24-Bit
Sync Sources: Internal
Media/Memory Card Slot: No
OS Compatibility:
Computer: macOS / Windows
Mobile: Android/iOS
Mobile App Compatible:
Yes: Android & iOS
Functionality: Adjust Settings, Remote Control
Power Requirements: USB Bus Power, USB Power Adapter (Not Included)
Dimensions: 8.4 x 6.2 x 1.9″ / 21.3 x 15.7 x 4.8 cm
Weight: 1.8 lb / 0.8 kg
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