EarthQuaker Devices A/B Box

$57.00 to $99.00 Price Tier: Standard

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Page last updated Jul 04, 2026

Pricing and availability

We compare 600+ stores and found this item at 7 stores. Prices updated July 3, 2026.

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Price

5.0 (1)

$99.00

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$99.00

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5.0 (1)

$99.00

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$69.00 28 available New

$45.00 4 available Used

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$99.00

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$89.00

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5.0 (1)

$57.00

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Average Price: $82

Standard/Professional

$60

$176+

Price Tier

In the Switch Effects Pedals category, EarthQuaker Devices A/B Box is priced in the Standard/Professional range. This is quality gear at a fair price point, suitable for beginners, hobbyists, and pros alike.

Budget

Standard

High-end

Price History

Based on price data from 5 merchants for "EarthQuaker Devices A/B Box". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

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In the world of guitar effects, simplicity and functionality are often key, and the EarthQuaker Devices A/B Box is a shining example. This compact, passive tool allows you to switch seamlessly between two signal paths, making it a versatile addition to any pedalboard. Thanks to its bidirectional design, there's no circuitry between the input and outputs, ensuring pure signal clarity. Whether you're toggling between two amps, different channels on a multi-channel amp, or even between two instruments, the A/B Box provides the flexibility you need without compromising sound quality.

Its passive operation means you can switch paths without any signal loss, making it ideal for setups that require a dry path and a wet path. Additionally, the A/B Box can function as a tuner out/mute switch, adding even more utility to this already versatile device. With its durable construction and compact form factor, it's designed to fit seamlessly into any setup, providing you with a reliable and straightforward solution for your switching needs.

Key Features:

Passive design with bidirectional operation
Versatile switching between amps, instruments, or signal paths
Compact and durable, ideal for tight spaces on pedalboards
No circuitry between input and outputs for true signal clarity
Can function as a tuner out/mute switch

Product specs

Type	AB Box
Inputs	1 x 1/4"
Outputs	2 x 1/4" (A, B)
Power Source	9V DC power supply (sold separately)
Height	1.81"
Width	1.81"
Depth	3.68"
Weight	0.32 lbs.

FAQs

Can the EarthQuaker Devices A/B Box be used to switch between two amplifiers?: Yes, the EarthQuaker Devices A/B Box allows you to switch between two amplifiers or signal paths, offering versatility in routing your guitar signal.
Does the EarthQuaker Devices A/B Box require a power supply to operate?: No, the EarthQuaker Devices A/B Box is a passive device and does not require a power supply for operation. The 9V DC power supply is only needed if you want the LED indicators to function.
Is the EarthQuaker Devices A/B Box suitable for live performances?: Yes, the EarthQuaker Devices A/B Box is compact and durable, making it well-suited for live performances where quick and reliable signal switching is needed.
Does the EarthQuaker Devices A/B Box affect the tone of my guitar?: The EarthQuaker Devices A/B Box features a passive design with no circuitry between the input and outputs, ensuring true signal clarity without altering your guitar's tone.

Reviews

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Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about EarthQuaker Devices A/B Box.

Features and functionality

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The A/B Box is designed to switch between two instruments or amps, while the ABY Box allows for simultaneous use, though a passive ABY may introduce noise when both are engaged.
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Some users note that passive ABY boxes can produce a popping noise when switching channels, whereas active models, like the Radial BigShot, offer silent switching.
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An ABY box is used to split signals into clean and distorted tones, allowing delay trails to remain clear and unaffected by overdrive.
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Comparisons

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Saturnworks is frequently mentioned as offering a wider range of utility boxes that are potentially more affordable compared to EarthQuaker Devices, with some users preferring their lifetime warranty.
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Swiss Things is highlighted as a more complex switcher, incorporating ABY functionality with additional features like a tuner out, volume out, and a boost, which are now offered as separate smaller pedals by EarthQuaker.
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Use cases and applications

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It's noted that passive ABY Boxes might not be ideal for running two outputs simultaneously due to potential noise issues; active boxes or noise gates are recommended instead.
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Guitarists use the ABY box to switch between different amp settings for dynamic stage presence, mimicking multiple guitar players in a band setting.
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An ABY box is utilized to run stereo outputs into separate pedal boards and amps, creating a wide soundstage when combined in headphones.
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The ABY box is employed for seamless switching between guitars with different tunings during live performances, preventing on-stage cable changes.
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Musicians connect an ABY box to a Digitech Whammy IV to seamlessly toggle between clean and harmonized sounds, though a level control for each channel would be beneficial.
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ABY boxes are used in conjunction with noise gate pedals to feed the "key" input, facilitating dynamic range management in live setups.
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Value and pricing

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Despite the longer warranty offered by EarthQuaker Devices, some users prefer Saturnworks for their lower prices and similar functionality.
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