For creators who want full control of their audio production from vision to realization, PreSonus presents the Quantum ES4, a four-input, four-output USB-C interface. Boasting four newly redesigned MAX-HD mic preamps with +75 dB of gain, this interface is perfectly suited for today's most popular microphones, while guitarists and bassists will appreciate the instrument input co-developed with Fender engineers. An Auto Gain button ensures optimal levels for your recordings, while an illuminated push encoder grants flexible control over gain and output volume. With bright LED metering providing visual feedback, high-quality self-produced recording becomes a a way of life. An integrated custom driver guarantees minimal audio latency during recording, and high-performance converters ensure pristine signal handoffs from input to output. Plus, enjoy a perpetual license for Studio One Pro 7. Control preamp functions effortlessly via the top panel or through Studio One and the Universal Control app, allowing for seamless gain staging without interrupting your recording session, no matter where inspiration strikes.PreSonus Quantum ES4 Features:4 x 4, 24-bit / 192 kHz USB-C Audio InterfaceHigh-performance converters let you hear and capture audio with stunning clarity and fidelity.Custom low-latency driver provides exceptionally low audio latencies when recording.All-new, next-generation PreSonus MAX-HD preamp design provides transparency and accuracy across the frequency range with +75 dB of gain to maximize the performance for a wide range of today’s most popular microphones for modern recording and broadcast.Auto Gain button sets the perfect gain level for your microphones and instruments, so you get the perfect take every time.Control your Quantum ES right from Studio One and the Universal Control app, in addition to hardware, so you can adjust preamp gain, toggle phantom power, adjust channel settings, and more without looking away from your recording session. Perfect for dialing in optimal gain staging.Universal Control and your Quantum ES 4 also enable speaker switching—easily check your mixes on two different speaker sets for accuracy.Bright and responsive LED metering lets you keep an eye on your input and output meters, perfect when recording alone.2 balanced ¼-inch TRS main outputs plus 2 balanced ¼-inch TRS line outputs and 2 high-power headphone outputs for flexible monitoring. And built-in speaker switching lets you check your mix on multiple sets of studio monitors.Loopback audio makes creating monitor and streaming mixes quick and easy.PreSonus Quantum ES4 Specifications:Inputs and OutputsMicrophone Inputs: 4Guitar Inputs: 2Line Inputs: 4Line Outputs (DC coupled): 4Headphone Outputs: 2USB-C ports: 1Aux power ports: 1AD / DA ConversionSupported Sample Rates: 44.1, 48, 88.2, 96, 176.4, 192Bit Depth: 24Analog InputsMicrophone (CH 1 - 4)Connector Type: 4x Combo-style, XLR / TRSMax Input: +14 dBu (balanced, minimum gain)Gain Range: 0 dB to +75 dBFrequency 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 OhmsLine In (CH 1 - 4)Connector Type: 4x Combo-style, XLR / TRSMax 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 OhmsDigital Trim: -10 to +10 dBInstrument In (Ch 1-2)Connector Type: 2 x ¼-inch FemaleGain Range: -7 dB to +68 dBMax 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 OhmsOutputsMain Out (Ch 1 - 2)Connector Type: 2x ¼-inch Female, TRSMax 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 OhmsTrim Range: -inf dB to 0 dBLine Out (Ch 3-4)Connector Type: 2x ¼-inch Female, TRSMax 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 OhmsTrim Range: -inf dB to 0 dBHeadphone Out (1-2)Connector Type: 2x ¼-inch Female, TRS StereoMax 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 OhmsTrim Range: -inf dB to 0 dBElectricalAux Power DC Connector: USB-C (USB-C to USB-C cable required, not included)Aux Power DC Requirements: 5VDC, 2.6AProduct DimensionsLength 8.4’’ (213 mm)Width 6.2’’ ...