SKU: 10579502646
expression pedal switcher

expression pedal switcher A3 Stompbox | Quad Cortex Dual Expression Pedal

Sale price$22.84 Regular price$25.38
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Description

expression pedal switcher A3 Stompbox | Quad Cortex Dual Expression PedalThe Ultimate DUAL EXPRESSION For Your Modellers Like Quad Cortex, Helix & Kemper Expression Output 1: Smooth Throw Expression Pedal The smooth throw on this expression pedal provides seamless control, ideal for precise adjustments during your performance. With its fluid range, you can manipulate parameters such as volume, wah, or delay feedback, delivering a natural and intuitive playing experience. Perfect for creating dynamic shifts without abrupt


The Ultimate DUAL EXPRESSION For Your Modellers Like Quad Cortex, Helix & Kemper

Expression Output 1: Smooth Throw Expression Pedal

The smooth throw on this expression pedal provides seamless control, ideal for precise adjustments during your performance. With its fluid range, you can manipulate parameters such as volume, wah, or delay feedback, delivering a natural and intuitive playing experience. Perfect for creating dynamic shifts without abrupt changes, this pedal ensures smooth transitions, allowing you to craft your sound with ease.

Expression Output 2: Toe Switch for Function Engagement or Bypass

The integrated toe switch allows for instant activation of effects or bypassing functions with a simple press. For example, when using the expression pedal as a volume control on your QC, you can engage a clean boost by pressing the toe switch, adding versatility to your setup. This dual-functionality design provides both expressive control and quick access to key features, enhancing your live or studio performances.

FEATURES

A3 Custom EXP offers a super smooth volume curve for precise expression controls and is specially designed for Quad Cortex. The housing is built like a tank using stainless steel making this unit very light but still very robust.

It features A3's indestructible life-time string and custom made potentiometer inside. It has 1 x 1/4" TRS (expression), 1 x 1/4" TRS (toe switch)

The Quad Cortex Custom Expression Pedal introduces full-featured functionality to NeuralDSP's ultra-powerful Quad Cortex modeller and profiler, letting you control and manipulate a wide range of effects processors with expression inputs.

By connecting the Quad Cortex Custom Expression to the pair of expression inputs located on the Quad Cortex, you not only get instant access to silky-smooth expression at your feet, but the pedal's built-in toe switch also makes it a breeze to engage and disengage effects without the need for additional hardware.

Quad Cortex Custom EXP Mini comes in size - 19.5 (Depth) x 8.5 (Width) x 6.5 (Height) cm (840g) - Depth matches the size of Quad Cortex

Quad Cortex Custom EXP Med comes in size - 22.5 (Depth) x 9.5 (Width) x 6.5 (Height) cm (1.02 Kg) - Depth is slightly over the size of Quad Cortex

A3 Stompbox is the boutique pedal company based in South Korea. The quality is proven after a number of field-testings by the renowned musicians such as Melvin Davis, Michael Thompson, Isaías Elpes, Nigel Hendroff and many more.

A3 Custom products are backed by non-transferable 3 years of warranty for the potentiometer and Life-time warranty for all the other parts of the unit. No questions asked, A3 Stompbox will either repair or replace any defective units under the warranty.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 10579502646

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Jon
Draper, US
★★★★★ 4
Works
Size: 8.5"x11"
Works great for sublimation. Get plenty of sheets. Great value for the price. The paper is pretty thick and seems to hold a good amount of ink without smearing.
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Reviewed in the United States on April 9, 2026
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Miss Washington Creates
Pawtucket, US
★★★★★ 5
My go-to sublimation paper for crafting
Size: 8.5"x11"
I've used several sublimation papers, and this one has worked really well for my crafting projects. The colors transfer bright and vibrant, and the images come out crisp with good detail when using the proper sublimation printer and ink. The paper feeds smoothly through my printer and feels like a good quality weight—not too thin and not overly thick. I've used it for tumblers, keychains, and other sublimation projects, and I've been happy with the results. I also appreciate getting 110 sheets in one pack because it lasts a while, especially when working on multiple projects at once. Overall, this is a reliable sublimation paper that gives consistent results and is great for crafters or small business owners.
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Reviewed in the United States on May 31, 2026
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B.Nicole
Phoenix, US
★★★★★ 5
My Go-To Sublimation Paper — Flawless Results Every Time
Size: 8.5"x11", Size: 8.5"x11"
This is hands down the best sublimation paper I’ve used and the only one I continue to buy. I get a perfect transfer every single time—no fracturing, no fading, and no uneven results. The paper dries fast, which makes my workflow so much smoother, especially when I’m producing items in batches. I use this regularly to make air fresheners and tote bags for my small business, and the color payoff is always vibrant and crisp. The transfer rate is excellent, and it works beautifully on light-colored, high-quality polyester and other sublimation-ready surfaces. If you’re a small business owner or crafter who values consistency, quality, and ease of use, this paper is absolutely worth it. I highly recommend it and will continue to repurchase.
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Reviewed in the United States on January 24, 2026
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Jimmy
Fort Morgan, US
★★★★★ 5
Best Sublimation Paper
Size: 8.5"x11"
I’ve been using A-Sub paper for my sublimation projects, and it is easily one of the best. The ink dries almost instantly once printed, so I don’t have to worry about smudging the design or getting those annoying "pizza wheel" marks from the printer rollers. The paper itself feels substantial and doesn't tear or curl easily. One of the biggest wins for me is that it never jams; it feeds through perfectly every time, saving me the frustration of wasting expensive ink and paper. When I go to press my designs, the ink releases almost completely, leaving very little behind on the paper and putting all that color onto the project. The final results look super professional, with colors that are vibrant and sharp rather than looking faded or dull. It has worked perfectly for everything I’ve tried so far, and if you want a reliable paper that gives you consistent, high-quality results, this is definitely the one to get.
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Reviewed in the United States on February 25, 2026
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Nadiagne
Whiting, US
★★★★★ 5
Ideal for sublimation beginners.
Size: 8.5"x11"
Asub sublimation paper has been excellent for my projects. The ink transfer is very good, the colors are vibrant and defined, and it dries quickly. It has helped me achieve clean and professional results, even as a beginner. Without a doubt, it's a reliable, high-quality paper for sublimation.
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Reviewed in the United States on February 15, 2026

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