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The PreSonus Quantum 2626 is a professional ultra-low-latency audio interface that provides up to 26 inputs and 26 outputs of combined analog and digital connections. The unit’s converters allow for low-latency recording as well as dynamic ranges of 115 dB on both AD (analog to digital) and DA (digital to analog) conversions. Furthermore, the Quantum 2626 captures audio at 24-bit resolution, achieving sample rates up to 192 kHz.

For analog I/O, the Quantum 2626 provides a complement of eight inputs and eight outputs. Microphone inputs are PreSonus recallable XMAX preamps and include eight combo XLR-1/4" XLR jacks for instruments (channel 1-2), mic-level (channels 1-8), or line-level (1-8) signals, as well as two 1/4" preamp outputs and two 1/4" line returns. The output section includes eight 1/4" TRS outputs, two 1/4" main outputs, and a two headphone jacks, each with dedicated volume controls.


The digital I/O includes two banks of optical ADAT I/O as well as S/PDIF connections, bringing the grand total of ins and outs to 26x26. You'll find that the unit sports BNC wordclock connections, facilitating wordclock sync with other pieces of gear in your studio such as a master clock. The 5-pin DIN MIDI I/O lets you connect your MIDI controller and send MIDI signals. There are eight LEDs for each channel, which indicate signal presence and clipping. The Quantum 2626 is powered by the included 12 VDC power supply and ships with PreSonus Studio One Artists and the Studio Magic Plug-In Suite.

The Features

26 x 26 Thunderbolt 3 ultralow-latency audio interface

<1 ms roundtrip latency; record direct to DAW with your favorite plug-ins engaged

24-bit / 192 kHz operation with high-quality 115 dB A/D/A converters


Flexible Connectivity

Simultaneous I/O up to 26 inputs / 26 outputs (at 44.1 or 48 kHz)

8 pristine XMAX preamps

2 instrument Inputs

8 balanced line inputs

Dual headphone outputs with independent level control

Balanced stereo main outputs with independent level control

8 DC-coupled balanced line outputs

2 preamp direct outputs with returns to insert outboard gear


Main output level control

Balanced stereo main output (TRS)

Eight balanced line outputs (TRS (outs 1 & 2 share a DAC with the main output))

Two preamp outputs (channels 1 & 2)

Two line returns (channels 1 & 2)

ADAT optical/dual SMUX inputs/outputs:

16 x 16 channels at 44.1 or 48 kHz

8 x 8 channels at 88.2 or 96 kHz

Stereo S/PDIF coaxial input and output



Thunderbolt 3 high-speed bus

24-bit resolution and up to 192 kHz sampling rate

BNC word clock input and output with low-jitter clocking




Road-rugged construction with all-metal chassis and metal knobs

1RU (rack-mountable)

12 VDC external power supply (included)


Included Software

Studio One Artist

Studio Magic Plug-In Suite

UJAM Virtual Drummer 2 PHAT

iZotope Neutron Elements

Studio Linked Trophies

SPL Attacker

Mäag Audio EQ2

Lexicon MPX-i Reverb

Klanghelm SDRR2tube

Output Movement

Brainworx bx_opto

Arturia Analog Lab Lite

PreSonus Quantum 26x26 Thunderbolt 3 Ultralow-Latency Audio Interface

  • PreSonus Quantum 2626
  • 26x26 Thunderbolt 3 Ultralow-Latency Audio Interface
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