PreSonus Quantum ES 2 - 2x2 24-Bit/192 kHz USB-C Audio Interface with Microphone Preamps in Black Finish

The PreSonus Quantum ES 2 is a high-performance 2x2 USB-C audio interface designed to meet the needs of self-made audio creators, offering exceptional sound quality, seamless integration, and cutting-edge features. With nearly 30 years of PreSonus innovation behind it, the Quantum ES 2 combines pristine MAX-HD microphone preamps with class-leading converters to ensure your recordings are captured with stunning clarity and accuracy. Featuring two MAX-HD preamps, the interface delivers an impressive +75 dB microphone preamp range, ideal for a variety of recording applications, from vocals to instruments. Whether you're recording in a home studio or on the go, the Quantum ES 2 is the ideal choice for capturing your creativity with professional-grade sound.

The interface is designed to offer flexibility and ease of use. The back panel includes combo jacks for both XLR and TRS connections, allowing you to connect microphones, instruments, or line-level devices. The front-facing instrument input provides a direct connection for guitars and basses, while the two TRS line outputs and stereo headphone output offer high-quality monitoring and playback options. The intuitive control knob on the top panel lets you adjust monitor levels and muting with ease, making the Quantum ES 2 user-friendly and efficient during recording sessions.

Designed for superior audio fidelity, the Quantum ES 2 supports up to 24-bit/192 kHz sample rates, delivering the highest level of detail in your recordings. With a dynamic range of 115 dB, this interface captures even the most subtle nuances of sound without distortion, ensuring that your recordings are as clear and transparent as possible. The auto-gain feature simplifies setup by automatically adjusting the preamp gain levels for optimal performance, while the best-in-class LED metering provides instant feedback on input and output levels. Additionally, the Quantum ES 2 is fully integrated with Studio One, allowing for remote control of preamp gain, phantom power, and channel settings, directly from the Studio One application for added convenience.

Features

• 2 PreSonus MAX-HD microphone preamps for high-quality, transparent recordings
• +75 dB microphone preamp range for flexibility with gain-hungry mics
• 1 front-facing instrument input for direct recording of guitars and basses
• Back panel combo jacks (XLR/ TRS) for flexible input options
• 2 TRS line outputs for connecting to professional audio gear
• 1 stereo headphone output with 111 dB dynamic range for clear monitoring
• High-performance, low-noise converters for stunning accuracy in audio capture
• Auto Gain function for automatic gain setting before recording
• Best-in-class LED metering for real-time input and output level monitoring
• Supports 24-bit conversion with up to 192 kHz sample rate for ultra-high-definition recordings
• Dynamic range of 115 dB for clear, distortion-free audio
• Studio One integration for remote control of preamp gain, phantom power, and settings
• Trim range of -80 dB to 0 dB for precise control over line output levels
• Frequency response of 20 Hz to 20 kHz, +/- 0.1 dB for accurate sound reproduction
• Compact, lightweight design with dimensions of 6.9 x 6.2 x 1.9 inches and a weight of 1.5 lbs
• USB-C powered with 5VDC, 1.8A auxiliary power requirements for reliable operation

Specifications

AD / DA Conversion

• Sample Rates: 44.1, 48, 88.2, 96, 176.4, 192 kHz
• Bit Depth: 24-bit

Instrument Inputs

• Connector Type: 1/4-inch Female
• Gain Range: -7 dB to +68 dB
• Maximum Input Level: +15 dB (unbalanced, minimum gain)
• Frequency Response: 20 Hz to 20 kHz, +/- 0.2 dB (Unity Gain, Relative to 1 kHz)
• Dynamic Range: 111 dB (A-weighted, minimum gain)
• THD+N: 0.002% (1 kHz, minimum gain)
• Input Impedance: 1M Ohms

Microphone Inputs

• Connector Type: Combo-style, XLR / TRS
• Maximum Input Level: +14 dBu (balanced, minimum gain)
• Gain Range: 0 to +75 dB
• Frequency Response: 20 Hz to 20 kHz, +/- 0.2 dB (unity gain, reference 1 kHz)
• Dynamic Range: 113 dB (A-weighted)
• THD+N: <0.001% (1 kHz, minimum gain)
• EIN: -129 dBu (max gain, 150 Ohms, 22 kHz BW, A-weighted)
• Input Impedance: 1,600 Ohms

Line Inputs

• Connector Type: Combo-style, XLR / TRS
• Maximum 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: 10,000 Ohms
• Digital Trim: -12 to +12 dB

Main Outputs

• Connector Type: 1/4-inch Female, TRS
• Maximum Output Level: +15 dBu
• Frequency Response: 20 Hz to 20 kHz, +/- 0.2 dB (relative to 1 kHz)
• Dynamic Range: 117 dB (A-weighted)
• THD+N: 0.001% (1 kHz, +4 dBu)
• Output Impedance: 22 Ohms
• Trim Range: -80 dB to 0 dB

Line Outputs

• Connector Type: 1/4-inch Female, TRS
• Maximum Output Level: +15 dBu
• 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: -80 dB to 0 dB

Headphone Outputs

• Connector Type: 1/4-inch Female, TRS Stereo
• Maximum Output Level: 7.5 dBu (50 Ohms)
• Frequency Range: 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: -80 dB to 0 dB

Power

• Aux Power DC Requirements: 5VDC, 1.8A

Physical

• Length: 6.9 inches
• Width: 6.2 inches
• Height: 1.9 inches
• Weight: 1.5 lbs