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Average Price: $72
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$149
$350+
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Based on price data from 2 merchants for "Intellijel QX Quadrax Expansion Eurorack Synth Module". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
Expand your sonic palette with the Intellijel QX Quadrax Expansion Eurorack Synth Module. Designed as a dynamic companion to the Intellijel Quadrax, this expansion module unlocks new dimensions of modulation potential, seamlessly integrating with your existing Eurorack setup. With its sleek 4HP form, the QX module adds eight outputs—four end-of-rise (EOR) and four end-of-fall (EOF)—that enable you to harness the Quadrax's robust envelope, cycle, burst, and LFO functionalities to control other modules. Whether you're crafting intricate soundscapes or diving into experimental synthesis, the QX Expansion is engineered to elevate your creative capabilities, offering a compact yet powerful solution that maximizes your modular synth's real estate.
This module is not just an add-on; it's a transformative tool that opens up a universe of sonic possibilities. The QX's intuitive design ensures that you can easily navigate its features, making it an essential component for both seasoned modular enthusiasts and those just beginning their Eurorack journey. With all the necessary mounting screws and connectors included, integrating the QX with your Quadrax is a breeze, allowing you to focus on what matters most—your music.
Key Features:
- Dedicated expansion for the Quadrax modulation-generator module
- Compact 4HP form factor, preserving valuable space in your Eurorack case
- Expands creative possibilities by channeling Quadrax’s envelope, cycle, burst, and LFOs to trigger external modules
- 4 end-of-rise (EOR) trigger/gate outputs
- 4 end-of-fall (EOF) trigger/gate outputs
- Includes all necessary mounting screws and connectors for easy integration
Product specs
| Type | End-of-Rise/End-of-Fall Expander Module for Quadrax |
| Other I/O | 4 x Gate Out, 4 x Trigger Out |
| Depth | 0.86" (22mm) |
| HP Size | 4HP |
| Power Usage | +12V/8mA, -12V/0mA |
| Power Supply | Requires Eurorack Case and Power Supply |
FAQs
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What is the primary function of the Intellijel QX Quadrax Expansion module?
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The Intellijel QX Quadrax Expansion module serves as an End-of-Rise/End-of-Fall expander for the Quadrax module, providing additional gate and trigger outputs for each channel.
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How does the Intellijel QX Quadrax Expansion module connect to the Quadrax?
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The QX module connects directly to the Quadrax module, expanding its functionality by adding dedicated gate and trigger outputs for more complex patching possibilities.
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What are the power requirements for the Intellijel QX Quadrax Expansion module?
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The QX module requires a Eurorack case and power supply, with a power usage of +12V/8mA and no power draw from the -12V rail.
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How much space does the Intellijel QX Quadrax Expansion module take up in a Eurorack setup?
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The QX module occupies 4HP of space in a Eurorack setup and has a depth of 0.86 inches (22mm), making it a compact addition to your system.
Videos
Intellijel
Quadrax QX Expander
Reviews
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Intellijel QX Quadrax Expansion Eurorack Synth Module.
Features and functionality
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Quadrax excels in generative music with its assignable CV matrix, random modes, morphable complex LFO shapes, and channel chain modes.
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The QX expander for Quadrax provides EOR & EOF triggers for each channel, significantly extending its capabilities.
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Intellijel's Quadrax with the QX expansion provides AD, AHR, Cycling AD, Burst, or synced LFOs across four channels, enhancing modulation versatility.
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Comparisons
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Quadrax offers double the channels compared to Maths, making it suitable for users needing multiple envelopes and LFOs simultaneously.
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While Maths is praised for its multifunctional approach, Quadrax is noted for a more traditional and intuitive synthesis experience, fitting users familiar with standard synths.
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The Intellijel QuadVCA is noted for its +6dB gain, whereas Veils offers +20dB, potentially beneficial for integrating external vintage gear.
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Some users favor the Polaris filter over Forbidden Planet for its broader feature set and superior sound quality despite being more expensive.
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User experience
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Some owners find Quadrax’s small button legends challenging, especially when programming assignable functions without consulting a manual.
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Quadrax is described as a more direct module, preferred by some for specific tasks rather than experimental patching.
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Forbidden Planet filter is criticized for having a narrow effective range and lacking CV control over resonance, leading to dissatisfaction among users.
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Use cases and applications
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Quadrax is particularly favored in compact setups due to its efficient use of space, offering substantial functionality without the footprint of larger modules like Maths.
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Quadrax's role as a modulation workhorse is highlighted, particularly in setups needing versatile triggers, LFOs, and envelopes.
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