PreSonus Quantum 26x32 Thunderbolt Audio Interface

The Quantum Thunderbolt™ 2 audio interface from PreSonus is engineered for blazing-fast speed and pristine audio quality. Superb high-definition digital conversion and ultra-transparent XMAX-Remote mic preamps mean that your audio will always sound its best—whether you’re recording with or without your favorite plug-ins engaged in real-time. Audiophile-grade digital converters, low-jitter clocking, and recallable preamps add up to a superior recording and listening experience.

Record and monitor from your favorite DAW with any plug-in engaged. Take advantage of onboard mix features like Mute, Dim, Mono, and integrated Talkback. Regardless of your studio’s size, Quantum audio interfaces streamline your recording process—you’ll make better music, faster.

Presonus Quantum Features

• 26x32 Thunderbolt ultra-low-latency audio interface
• PreSonus’ fastest interface; record direct to DAW (no DSP)
• Stack up to four Quantum interfaces via Thunderbolt for a monster system
• Talkback switch and internal Talkback microphone
• Mute/Dim and Mono switches
• Assignable output level control
• 10 8-segment LED meters (8 input, 2 output)
• Tight integration with included Studio One® Artist DAW software (Mac®/Windows®) for multitrack music production and studio command features
• Wireless control over preamp levels from free UC Surface touch-control software for iPad® and Android™ tablet and from free Studio One Remote for iPad and Android tablet
• Wired control over preamp levels from free UC Surface touch-control software for Mac and Windows computers
• Compatible with most recording software for Mac and Windows
• Studio Magic Plug-in Suite included
• Flexible Connectivity
• Simultaneous I/O up to 26 inputs/32 outputs (at 44.1 or 48 kHz)
• 2 front-panel combo microphone/instrument/line inputs
• 6 rear-panel combo microphone/line-level inputs
• 8 XMAX remote-controllable, Class A mic preamps with individually switched 48V phantom power
• 2 balanced ¼” TRS line-level main outputs
• 8 balanced ¼” TRS line-level outputs
• Line outputs are DC coupled for sending control voltages for analog gear
• ADAT Optical/Dual SMUX inputs/outputs: 16x16 channels at 44.1 or 48 kHz; 8x8 channels at 88.2 or 96 kHz
• Stereo S/PDIF coaxial input and output
• 2 high-volume headphone outputs with dedicated volume controls
• Thunderbolt 2 high-speed bus (Thunderbolt 3 compatible)
• 24-bit resolution and up to 192 kHz sampling rate
• Top-quality 120 dB A/D/A converters
• BNC word clock input and output with low-jitter clocking
• MIDI I/O on 5-pin DIN connectors
• Road-rugged construction with all-metal chassis and metal knobs
• 1U rack-mountable
• 12 VDC external power supply (included)

• Quantum 26x32 Thunderbolt Audio Interface1

• Microphone Preamp
  • Type: XLR Female (via Combo), Balanced
  • Maximum Input Level: +10 dBu (Balanced, min. gain)
  • Gain Control Range: 60 dB
  • Frequency Response
    • 20 Hz to 20 kHz (±0.15 dB, unity gain, 48 kHz)
    • 20 Hz to 40 kHz (±0.22 dB, unity gain, 96 kHz)
    • Dynamic Range: > 110 dB (A-wtd, min. gain)
    • Total Harmonic Distortion: < 0.005% (1 kHz, min. gain)
    • EIN: < -131 dBu (max gain, 40Ω, 22 kHz BW, A-wtd)
    • Input Impedance: 1.6 kΩ
    • Phantom Power: +48V, > 8 mA per input
• Instrument Inputs
  • Type: ¼” TS Female (via Combo), Unbalanced
  • Maximum Input Level: +15 dBu (Unbalanced, min. gain)
  • Gain Control Range: 60 dB
  • Frequency Response
    • 20 Hz to 20 kHz (±0.2 dB, unity gain, 48 kHz)
    • 20 Hz to 40 kHz (±0.6 dB, unity gain, 96 kHz)
  • Dynamic Range: > 106 dB (A-wtd, min. gain)
  • Total Harmonic Distortion: < 0.005% (1kHz, min. gain)
  • Input Impedance: > 1 MΩ
• Line Inputs
  • Type: ¼” TRS Female (via Combo), Balanced
  • Maximum Input Level: + 18 dBu (Balanced, min. gain)
  • Frequency Response
    • 20 Hz to 20 kHz (±0.05 dB, unity gain, 48 kHz)
    • 20 Hz to 40 kHz (±0.10 dB, unity gain, 96 kHz)
  • Dynamic Range: > 118 dB (A-wtd, min. gain)
  • Total Harmonic Distortion: < 0.005% (1 kHz, min. gain)
  • Input Impedance: 10 kΩ
• Main and Line Outputs
  • Type: ¼” TRS Female, impedance balanced, DC Coupled
  • Maximum Output Level: +18 dBu (Balanced)
  • Frequency Response
    • 20 Hz to 20 kHz (±0.05 dB, unity gain, 48 kHz)
    • 20 Hz to 40 kHz (±0.15 dB, unity gain, 96 kHz)
  • Dynamic Range: > 118 dB (A-wtd)
  • Total Harmonic Distortion: < 0.0035% (1 kHz, +4 dBu)
  • Output Impedance: 51Ω
• Headphone Outputs
  • Type: ¼” TRS Female, Stereo, Unbalanced, x2
  • Maximum Output Level: 175 mW/channel (56Ω load)
  • Frequency Response: 20 Hz to 20 kHz (±0.5 dB, 48 kHz)
  • Dynamic Range: > 110 dB (A-wtd)
  • Total Harmonic Distortion: < 0.03% (1 kHz)
  • Headphone Impedance (working range): 16Ω to 300Ω
• Crosstalk
  • Input to Input: < -110 dB
  • Output to Output: < -115 dB
  • Input to Output: < -120 dB
• Signal Level LEDs
  • Clip: -0.5 dBFS
  • Signal 1: -2 dBFS
  • Signal 2: -4 dBFS
  • Signal 3: -6 dBFS
  • Signal 4: -10 dBFS
  • Signal 5: -20 dBFS
  • Signal 6: -30 dBFS
  • Signal 7: -50 dBFS
• Digital Audio
  • Connection Type: Thunderbolt*
  • ADC Dynamic Range: 120 dB (A-wtd)
  • DAC Dynamic Range: 120 dB (A-wtd)
  • Bit Depth: 24 bits
  • Supported Sample Rates (kHz): 44.1, 48, 88.2, 96, 176.4, 192
• Clock
  • Jitter: < 70 ps RMS (20 Hz – 20 kHz)
  • Jitter Attenuation: > 60 dB (1 ns in => 1 ps out)
• Power12 VDC, 5A, external power supply
• Physical
  • Height: 1.75" (44.45 mm)
  • Depth: 7" (177.8 mm)
  • Width: 19" (482.6 mm)
  • Weight: 6 lbs (2.72 kg)