Carl Martin Octa-Switch MK3

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$311.00 to $429.00 Price Tier: High-end

5.0 (5)

2 Critic Reviews

1 Review

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Page last updated Jul 04, 2026

Pricing and availability

We compare 600+ stores and found this item at 5 stores. Prices updated July 3, 2026.

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5.0 (1)

$429.00

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$429.00

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5.0 (8)

$429.00 2 available New

$225.99 10 available Used

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4.0 (4)

$429.00

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4.7 (35)

$315.00 $311.00 $4.00 · All time low

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Average Price: $376

High-end/Boutique

$60

$176+

Price Tier

In the Switch Effects Pedals category, Carl Martin Octa-Switch MK3 is priced in the High-end/Boutique range. This premium gear is built to very high standards and offers premium features.

Budget

Standard

High-end

Price History

Based on price data from 2 merchants for "Carl Martin Octa-Switch MK3". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

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Introducing the Carl Martin Octa-Switch MK3 Multi-Effects Looper, your one-stop solution for streamlining your pedal effects setup. Say goodbye to the hassle of tap-dancing through your pedals. This power-packed device offers 8 true-bypass, impedance-free, gold relay effects-loops that allow seamless integration of your favorite pedals, be they old or new.

It's all about customization and control with the Octa-Switch MK3. Each of the eight DIP Bank switches can be individually activated or deactivated, allowing you to determine the effects you want to use simultaneously in each Bank. No more guesswork, thanks to the blue LED indicators for each effects loop and Bank.

Have a penchant for clean, unaffected amplifier sound? The MK3 has got you covered with its BYPASS Switch. And that's not all! It also boasts two External Switching jacks, perfect for those who want to use two amplifiers or switch channels on their amps. And with a buffered Mono input, a stereo output, and power options that include dual 9v batteries or a regulated power supply, the Octa-Switch MK3 is the ultimate versatile tool for every musician's toolkit.

Key Features:

8 true-bypass, impedance-free, gold relay effects-loops
8 individually manageable DIP Bank switches
Blue LED indicators for each effects loop and Bank
BYPASS Switch for clean, unaffected amplifier sound
Two External Switching jacks for use with two amplifiers or channel switching
Buffered Mono input and stereo output
Powered by dual 9v batteries or a regulated power supply
Input with Buffer Switch for 100% True Bypass with Gold Relay
8 presets and an effect Bypass
Two external switching jacks for changing channels or other operational features
Switchable buffer
Master Bypass

Product specs

Available since	June 2015
Type	Looper
LED Display	Yes
PSU Connector	Yes
Shape	Floor Effects Pedal
MIDI Interface	No

FAQs

How many effects loops can the Carl Martin Octa-Switch MK3 control simultaneously?: The Carl Martin Octa-Switch MK3 can control up to eight separate effects loops, allowing you to switch between different pedal combinations with ease.
Does the Carl Martin Octa-Switch MK3 require a power supply?: Yes, the Carl Martin Octa-Switch MK3 requires a power supply and can be powered by a 9V DC adapter, ensuring reliable operation during performances.
Can the Carl Martin Octa-Switch MK3 save preset configurations?: Yes, the Octa-Switch MK3 allows you to save up to eight preset configurations, making it easy to switch between different effect setups quickly.
Is the Carl Martin Octa-Switch MK3 suitable for live performances?: Absolutely, the Octa-Switch MK3 is designed for live use, providing seamless switching between effects loops with its intuitive footswitch layout.
Does the Carl Martin Octa-Switch MK3 have MIDI capabilities?: No, the Carl Martin Octa-Switch MK3 does not include MIDI capabilities, focusing instead on manual switching for analog effects loops.

Videos

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EytschPi42

Joyo / Moen / Carl Martin Looper Sound Comparison

EytschPi42

Carl Martin: OCTA-SWITCH (things to do with it)

Brett Kingman

Carl Martin: OCTA-SWITCH (How it works)

Brett Kingman

Carl Martin OCTASWITCH - In Depth Demo

EytschPi42

Carl Martin Octaswitch Mk3 vs Mk2

EytschPi42

Reviews

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PROS

Simplifies pedalboard management, reducing tap-dancing
Enables seamless switching between rhythm and lead sounds
User-friendly operation with no menus or MIDI required
Compact design, smaller footprint than previous models
Allows for easy switching between multiple guitars or amps
Aesthetically pleasing design
Facilitates quick tone changes with single button presses

CONS

Heavy, making it less portable

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Carl Martin Octa-Switch MK3.

Use cases and applications

0 0

The Octa-Switch MK3 suits post rock bands well, offering easy programming for complex setups.
Source
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The Octa-Switch is praised as an effective "remote control" for pedals, particularly beneficial for users with limited mobility.
Source

Features and functionality

0 0

While basic, its straightforward operation makes it a great entry point into loop switchers.
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If future needs demand, upgrading to a model with multiple banks and MIDI capabilities is recommended.
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Setting presets involves flipping dip switches, allowing adjustments almost on the fly.
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The unit can run on 9-volt batteries, lasting approximately 10 hours.
Source

User experience

0 0

One owner found it a fantastic solution for minimizing 'tap dancing' when using multiple pedals.
Source

Comparisons

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One user considered the Boss ES-8 a more feature-rich alternative to the Octa-Switch, opting for it based on functionality needs.
Source

Value and pricing

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The Octa-Switch is seen as a cost-effective option when compared to higher-priced alternatives like the Loop-Master 8/10-loop switchers.
Source

Critic Reviews

Carl Martin Octa-Switch Mk3 - Effects - Harmony Central

harmonycentral.com

The Carl Martin Octa-Switch Mk3 is a reliable solution for musicians seeking to streamline their pedalboard while avoiding the complexities of MIDI systems. It's praised for its robust build, silent switching, and the ability to store and recall up to eight presets with ease. The flexibility it offers in routing signals and controlling amp channels is impressive, making it a game-changer for many. However, its weight and lack of a stereo input/output loop might be drawbacks for some users. Overall, it's a highly functional tool for those looking to simplify their live setups without compromising on sound quality.

positive

Full Review

The New Switcheroo: Three Loop Switchers Reviewed - Premier Guitar

premierguitar.com

The Carl Martin Octa-Switch MK3 is a solid, budget-friendly option for guitarists looking for a basic loop switcher. Praised for its straightforward, mechanical design and ease of use, it allows quick setup and simple operation without the need for a manual. However, it lacks MIDI support and the ability to rearrange pedal order, which might be a deal-breaker for those needing more flexibility. While the absence of digital features may deter tech-savvy users, the MK3 shines in its simplicity and affordability, offering a no-nonsense approach to pedal management.

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5.0 out of 5

Based on 1 Review and 5 Ratings

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