PreSonus Quantum ES 2 – High-Definition USB-C Audio Interface with Auto-Gain

The PreSonus Quantum ES 2 delivers ultra-low latency, pristine 24-bit/192 kHz recording, and transparent MAX-HD mic preamps with ±75 dB of gain—ideal for musicians and creators who demand precision and ease, whether tracking vocals or instruments. Flexible control via hardware, Studio One Pro, or the Universal Control app makes it a versatile studio tool.

Key Features

• MAX-HD mic preamps with 75 dB gain: Clean, low-noise, digitally controlled analogue preamps capture fine details from any microphone.
• Fender-co-developed Hi-Z instrument input: Tailored for guitars and basses, delivering accurate tonal capture.
• Auto-Gain button: Automatically sets optimal recording levels, simplifying setup and reducing clipping risk.
• Ultra-low-latency USB-C recording: Custom drivers and high-quality converters ensure responsive tracking at high sample rates.
• Universal Control app + Studio One Pro bundle: Full control remotely from desktop or mobile, plus a perpetual Studio One Pro license or subscription included.

Customer Benefits

Whether recording solo or in collaborative sessions, the Quantum ES 2 delivers studio-grade sound quality in a compact, flexible package. Auto-Gain speeds up your workflow, ultra-low-latency ensures natural tracking, and versatile control options let you tailor your setup precisely—making creative work smooth and intuitive.

Quick Specs

• Channels: 2 in / 2 out analog, USB-C connection
• Audio resolution: 24-bit, up to 192 kHz
• Mic preamp gain range: 75 dB, MAX-HD digitally controlled
• Instrument input (Hi-Z): Co-developed with Fender
• Inputs: 2 × XLR-¼″ combo, 1 × Hi-Z guitar input (front)
• Outputs: 2 × balanced ¼″ TRS main outs, headphone ¼″ output
• MIDI I/O: In & Out
• Controls: Auto-Gain button, LED metering, Universal Control app compatibility
• Other features: Loopback for streaming, power backup via USB-C auxiliary port
• Dimensions: ~17.5 cm × 4.8 cm × 15.8 cm
• Weight: ~0.68 kg

What’s in the Box

• PreSonus Quantum ES 2 USB-C audio interface
• USB-C to USB-C cable (~1.5 m)
• Studio One Pro license or Studio One+ subscription

Use Cases / Ideal For

Perfect for solo artists, singer-songwriters, podcasters, and mobile producers needing high-quality recording with minimal setup. Ideal for desktop studio setups, podcast streaming, and location tracking with fast, responsive performance.

Compatibility

Compatible with Windows, macOS, iOS, iPadOS, and Android (USB-C). Control via front panel, Studio One, or the Universal Control app, and ideal for integrating into both pro and mobile workflows.

Pros & Cons

✅ Pros:

• Clean, transparent MAX-HD preamps with wide gain range
• Auto-Gain simplifies leveling for solo creators
• Low-latency USB-C performance ideal for real-time monitoring
• Flexible control and software suite included

⚠️ Cons:

• MIDI I/O via dongle may be inconvenient for some users
• No onboard DSP or mixer software—relying on external control

The PreSonus Quantum ES 2 brings pro-level clarity, fast performance, and seamless control in a compact interface—perfect for modern creators who demand both precision and simplicity.