SKU: 23414595414
how to use expression pedal

how to use expression pedal A3 Stompbox | Quad Cortex Dual Expression Pedal

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Description

how to use expression pedal 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.
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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]
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SKU: 23414595414

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Most Happy
Massapequa, US
★★★★★ 5
Well engineered!
Color: Farmhouse White, Number of Items: 2
These are really quit easy to assemble. They're well engineered. One or two extra screws/parts in case you loose one. When they're done, they look Very Nice! I have tremors and was still able to put them together, it took alittle longer that an hour, but still not difficult.
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Reviewed in the United States on January 27, 2026
S
Verified Purchase
SACummings
West Palm Beach, US
★★★★★ 5
Great quality
Color: Black, Number of Items: 2
Perfect side tables for small spaces
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 14, 2026
S
Verified Purchase
Skailah
Bozeman, US
★★★★★ 5
Very Nice End Table! Sturdy!
Color: Ink Black, Number of Items: 2, Color: Ink Black, Number of Items: 2
These are great tables, especially to use along side a recliner and couch. They're easy to put together. Follow the directions! Everything you need is in there including the screwdriver!! Lay it on its side on the floor when your building it, tighten all the tabs a half turn and did I mention?... never use power tools when building small furniture like this. once they're done, you'll love them... there's a nice drawer to keep things in -- remotes, etc It's pretty, sturdy, I bet will last a long time. ♡
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Reviewed in the United States on August 26, 2025
L
Verified Purchase
Larry L Green Jr
West Palm Beach, US
★★★★★ 5
Nice Side Table
Color: Ink Black, Number of Items: 1
This is a nice side table. The assembly hardware is of good quality. The wood product finishes are very nice and the pieces assemble solidly. The instructions are easy to follow except for the drawer slides where a little more concentration is needed . . . or maybe it’s just me.
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Reviewed in the United States on February 16, 2026
M
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mmf
Boise, US
★★★★★ 4
Nice and sturdy side table but the white is not white
Color: Farmhouse White, Number of Items: 2, Color: Farmhouse White, Number of Items: 2
This is a nice-looking and sturdy side table. We found it easy to assemble. It works well in small spaces. Be sure to check the dimensions so you aren’t surprised by how narrow and long it is. The drawer is small, but big enough to hold some remotes or other small items. We ordered the white with brown top. Unfortunately, it definitely is not white but more of an ivory or cream color.
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Reviewed in the United States on January 24, 2026

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