Pricing and availability
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Average Price: $795
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$150
$501+
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Based on price data from 7 merchants for "PreSonus Quantum HD 8 Rackmountable USB-C Audio Interface - 1U". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
Elevate your studio game with the PreSonus Quantum HD 8 Rackmountable USB-C Audio Interface - 1U, a powerhouse of connectivity and sonic precision. Designed for musicians, producers, and creators, this interface offers an impressive 26-in/30-out architecture, ensuring you can capture every nuance in your recordings. With its sleek 1U rackmountable form, the Quantum HD 8 seamlessly fits into your setup without hogging precious space.
Built in collaboration with Fender, the Quantum HD 8 boasts front-mounted instrument inputs with dedicated re-amp outputs, perfect for guitarists and bassists looking for plug-and-play ease. The inclusion of next-gen MAX-HD preamps delivers up to +75dB of gain, ensuring pristine audio capture with transparency across a 20Hz–20kHz range. The interface's Auto Gain function takes the guesswork out of setting levels, ensuring peak-free recordings every time.
Harness the power of the Universal Control app for seamless management across devices, allowing for remote control of preamp gain, phantom power, and more. The Quantum HD 8 also features robust ADAT connectivity, MIDI compatibility, and a vivid LED display for real-time monitoring, making it a versatile addition to any studio.
Key Features:
- 26-in/30-out USB-C audio interface with 32-bit/192kHz resolution
- 8 MAX-HD preamps with +75dB gain and Auto Gain function
- Front-mounted instrument inputs co-designed with Fender
- ADAT and S/PDIF for expanded connectivity
- Universal Control app for remote device management
- Includes 12-month Studio One+ subscription and perpetual Studio One Professional Edition license
Owner's manual
PreSonus Quantum HD 8 Rackmountable USB-C Audio Interface - 1U User ManualProduct specs
| Computer Connectivity | USB 2.0 |
| Form Factor | Rackmount |
| Simultaneous I/O | 26 x 30 |
| Number of Preamps | 8 x mic |
| A/D Resolution | 32-bit/192kHz |
| Analog Inputs | 8 x XLR-1/4" combo (mic/line), 2 x 1/4" (insturment) |
| Analog Outputs | 2 x 1/4" TRS, 10 x 1/4" TRS (line) |
| Digital Inputs | 2 x Optical |
| Digital Outputs | 2 x Opitcal |
| Headphones | 2 x 1/4" TRS |
| MIDI I/O | In/Out |
| USB | 1 x USB-C |
| Clock I/O | 2 x Word Clock (I/O) |
| Rack Spaces | 1U |
| Power Supply | Standard IEC AC cable (included) |
| Height | 1.7" |
| Width | 19" |
| Depth | 8.6" |
| Weight | 6.3 lbs. |
FAQs
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What are the main connectivity options for the PreSonus Quantum HD 8 audio interface?
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The PreSonus Quantum HD 8 offers USB 2.0 connectivity through a USB-C port, providing high-speed data transfer for audio recording and playback.
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How many simultaneous inputs and outputs does the PreSonus Quantum HD 8 support?
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The PreSonus Quantum HD 8 supports 26 simultaneous inputs and 30 outputs, making it suitable for complex recording setups.
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Is the PreSonus Quantum HD 8 compatible with popular DAWs like Ableton Live and Pro Tools?
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Yes, the PreSonus Quantum HD 8 is compatible with major DAWs, including Ableton Live and Pro Tools, ensuring seamless integration into your studio workflow.
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What type of preamps does the PreSonus Quantum HD 8 feature?
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The PreSonus Quantum HD 8 is equipped with 8 high-quality mic preamps, providing clean and detailed audio capture for microphones and instruments.
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Does the PreSonus Quantum HD 8 support high-resolution audio recording?
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Yes, the PreSonus Quantum HD 8 supports A/D resolution up to 32-bit/192kHz, allowing for professional-grade audio recording.
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What are the dimensions and rack space requirements for the PreSonus Quantum HD 8?
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The PreSonus Quantum HD 8 is a 1U rackmountable unit with dimensions of 1.7" in height, 19" in width, and 8.6" in depth, fitting standard rack configurations.
Videos
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First Look: New PreSonus Quantam HD 8 Audio Interface // Joe Carrell
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PreSonus Audio Electronics
Reviews
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about PreSonus Quantum HD 8 Rackmountable USB-C Audio Interface - 1U.
Features and functionality
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The HD8 has 10 outputs with A/B stereo monitor options; using only A allows for 8 outputs, but A/B configuration leaves 6.
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The HD8 provides 6.2 ms round trip latency at 192kHz and 512 samples on a USB4 connection, which is compatible with laptops but not as low latency as Thunderbolt.
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There's no individual volume control for the headset on the HD8; the main volume knob can be switched to control headset volume.
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The original PreSonus Quantum allows preamps to be bypassed, enabling direct line level inputs into the ADC, offering flexibility not found in some newer models.
Source
User experience
Comparisons
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Owners find the HD8 preamps and reamping features impressive, comparing favorably to the 2626 at different cache settings on a MacBook Air M3.
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Users highlight that the Quantum series is a significant upgrade over Focusrite Scarletts, particularly in preamp bypass capability and overall specs, despite some build quality concerns.
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The Clarett+ headphone amp is noted as more powerful than earlier Clarett models, though older Clarett preamps are described as smoother.
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Build quality
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PreSonus interfaces, including the Quantum series, have been reported to experience ADAT clocking and PCB quality issues, which may affect long-term reliability.
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Value and pricing
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The Quantum series is positioned as a better alternative to Focusrite Scarletts for those seeking improved functionality and sound quality, often available at competitive used prices.
Source
Critic Reviews
5.0 out of 5
Based on 0 Reviews and 1 Rating
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Based on how musicians on Equipboard use PreSonus Quantum HD 8 Rackmountable USB-C Audio Interface - 1U, it is most commonly used with the following gear.
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