• 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 input engineered for guitarists by industry-leading experts.
• Professional Recording Software Included – 6 months of Studio One+ with full access to Studio One, add-ons, and more.
• Auto Gain – Dial in recording-ready levels, hassle-free.
• Universal Control App – Full control and metering from your mobile device, desktop, or tablet.

Highlights & Specs

HIGH PERFORMANCE SIGNAL FLOW

Our custom low-latency driver provides exceptionally low signal lag when recording, and high-performance converters complete the front end to ensure that you sound your best throughout your entire signal chain.

ALL-NEW MAX-HD MIC PREAMPS

The Quantum ES 2 features two newly designed mic preamps with +75 dB of gain. The culmination of 30 years of innovation, MAX-HD preamps are transparent, low-noise, and digitally-controlled analog, making them ideally suited to today’s most popular microphones.

CO-DEVELOPED WITH FENDER®

Built by the best ears in the business, guitarists and bassists will love the instrument input co-developed with Fender engineers – industry experts who designed them specifically for guitar and bass.

PROFESSIONAL RECORDING SOFTWARE INCLUDED

Leap into 6 months of Studio One+ with access to Studio One Professional Edition, add-ons, and more.

AUTO GAIN

An Auto Gain button sets the perfect gain level for your microphones and instruments, so you get the perfect take every time.

UNIVERSAL CONTROL APP

Quantum works on any mobile or desktop device, so you’re ready to record whenever inspiration strikes – whether on your phone, tablet, or in your home studio. Critical preamp functions like preamp gain, phantom power, and more can be controlled with the Quantum ES 2’s top panel, or right from Studio One and the Universal Control app, so you can dial in the perfect gain staging without looking away from your recording session

Controls And Connections

• Headphone Jack
  One – 1/4″ TRS Female Stereo
• Connectivity
  USB-C®
• MIDI I/O
  3.5 mm Type-B

Microphone Preamp

• Microphone Input Connection Type
  XLR Female (Combo), Balanced
• Total Harmonic Distortion
  0.001% (1 kHz, Minimum Gain)
• Gain Control Range
  75 dB
• Microphone Preamp Maximum Input Level
  +14 dBu (Balanced, Minimum Gain)
• Phantom Power
  +48 VDC
• Frequency Response
  20 Hz to 20 kHz, +/- 0.2 dB (Unity Gain, Reference 1 kHz)
• Microphone Preamp Input Impedance
  1600 Ohms
• Dynamic Range
  113 dB (A-Weighted, Minimum Gain)
• Equivalent Input Noise
  -129 dBu (Maximum Gain, 150 Ohms, 22 kHz BW, A-Weighted)

Instrument Inputs

• Instrument Inputs Impedance
  1M Ohms
• Instrument Inputs Maximum Level
  +15 dBu (Unbalanced, Minimum Gain)
• Gain Range
  75 dB
• Frequency Response
  20 Hz to 20 kHz, +/- 0.2 dB (Unity Gain, Reference 1 kHz)
• Dynamic Range
  111 dB (A-Weighted, Minimum Gain)
• Total Harmonic Distortion
  0.002% (1 kHz, Minimum Gain)

Line Inputs

• Line Inputs Maximum Level
  +15 dBu (Balanced, Minimum Gain)
• Line Inputs Gain Range
  +/- 10 dB
• Line Inputs Frequency Response
  20 Hz to 20 kHz, +/- 0.1 dB (Unity Gain, Reference 1 kHz)
• Line Inputs Dynamic Range
  114 dB (A-Weighted, Minimum Gain)
• Line Inputs Total Harmonic Distortion
  0.001% (1 kHz, Minimum Gain)
• Line Inputs Impedance
  10K Ohms

Main And Line Outputs

• Main And Line Outputs Maximum Level
  +15 dBu (Balanced)
• Main And Line Outputs Frequency Response
  20 Hz to 20 kHz, +/- 0.1 dB (Unity Gain, Reference 1 kHz)
• Main And Line Outputs Total Harmonic Distortion
  0.001% (1 kHz, +4 dBu)
• Main And Line Outputs Dynamic Range
  117 dB (A-Weighted)
• Main And Line Outputs Output Impedance
  51 Ohms

Headphone Outputs

• Headphone Outputs Maximum Output
  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)
• Total Harmonic Distortion
  0.02% (1 kHz)
• Headphone Outputs Impedance Working Range
  22 Ohms

Digital Audio

• Digital Audio Dynamic Range
  120 dB
• Digital Audio Bit Depth
  24-bit
• Supported Sample Rates
  44.1, 48, 88.2, 96, 176.4, 192 (kHz)

Weights And Dimensions

• Height
  1.9″ (48.3 mm)
• Depth
  6.2″ (158 mm)
• Width
  6.9″ (175 mm)
• Weight
  1.5 lb. (0.68 kg)

Accessories

• Included Accessories
  1.5M USB-C to USB-C cable