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Boss MS-3 Multi Effects Switcher

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$109.99 to $499.00 Price Tier: Standard

5.0 (18)

3 Reviews

All time low price

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Page last updated Jun 13, 2026

Pricing and availability

We compare 600+ stores and found this item at 8 stores. Prices updated June 13, 2026.

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Reviews

Price

4.5 (35)

$449.99

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4.5 (8)

$494.99 $449.99 $45.00 · All time low

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4.7 (42)

$424.49 New

$368.00 Used (Like New)

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5.0 (40)

$109.99 28 available New

$245.00 29 available Used

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5.0 (6)

$494.99

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$494.99

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4.6 (53)

$509.00 $499.00 $10.00 · All time low

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£444.00

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Average Price: $396

Standard/Professional

$150

$601+

Price Tier

In the Multi Effects Pedals category, Boss MS-3 Multi Effects Switcher is priced in the Standard/Professional range. This is quality gear at a fair price point, suitable for beginners, hobbyists, and pros alike.

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High-end

Price History

Based on price data from 6 merchants for "Boss MS-3 Multi Effects Switcher". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

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Meet the Boss MS-3 Multi Effects Switcher, a revolutionary pedalboard solution that combines a world-class multi-effects engine and multi-pedal switcher in one compact, versatile unit. Designed to maximize your creative options, the MS-3 is your ticket to a professional effects system that's incredibly light, compact, and capable of nearly any sound imaginable.

The MS-3 is a sonic powerhouse that can run six internal pedal effects at once while seamlessly integrating three of your favorite external pedals. It also offers deep rig control capabilities, allowing you to switch amp channels, adjust effects in real time, and work with MIDI devices.

Whether you're looking to create a portable board or a fly rig, the MS-3's highly flexible design gives you the freedom to create any kind of effects system, from simple to complex. It can also function as a standalone effects processor, making it perfect for instances when you need to travel light.

The MS-3 is also equipped with a backlit LCD that clearly shows patch/bank numbers and parameters, plus quick-access knobs for editing and status indicators for all loops and effects. But it doesn't just stop there, it also offers an ample memory of 200 patch locations for storing effects and control setups for instant recall.

Key Features:

Combines effects and switcher in one unit
Runs six internal pedal effects simultaneously
Seamlessly integrates three external pedals
Deep rig control capabilities for amp channel switching, real-time effects adjustment, and MIDI device work
Highly flexible design for building any kind of effects system
Standalone functionality perfect for travel
Backlit LCD for clear display of patch/bank numbers and parameters
200 patch locations for storing effects and control setups
Heavy-duty footswitches for easy command of the system
USB support for accessing the free MS-3 Editor/Librarian software on a Mac or Windows computer
Ability to connect external footswitches for tap tempo, effects on/off, and parameter adjustment
Two audio outputs can be set for full stereo or selectable mono operation per patch
MIDI for sending tempo, PC, and CC information to MIDI-enabled pedals.

Owner's manual

Boss MS-3 Multi Effects Switcher User Manual

Product specs

Pedal Type	Multi-FX with External Loop Switching
Analog/Digital	Digital
Presets	200 Patches
Number of Effects	6 x Simultaneous FX, 112 FX Types
Effects Types	Delay, Reverb, Modulation, Pitch, Overdrive, Distortion, Noise Supressor
Inputs	1 x 1/4" (instrument), 3 x 1/4" (loop returns)
Outputs	2 x 1/4" (main out), 3 x 1/4" (loop sends)
MIDI I/O	Out
USB	1 x Type B
Other I/O	1 x 1/4" TRS (control out), 2 x 1/4" (control in/expression)
Expression Control	Yes (external)
Software	MS-3 Editor/Librarian Software (Mac/PC)
Compatibility	Driver (macOS11 or later, Windows 10 or later), Editor (OS X 10.10 or later, Windows 7 or later)
Power Source	9V DC power supply (included)
Power Usage	280 mA
Height	2.68"
Width	9.68"
Depth	3.87"
Weight	2 lbs. 7 oz.

FAQs

What types of effects are included in the Boss MS-3 Multi Effects Switcher?: The Boss MS-3 includes 112 effects such as delay, reverb, modulation, pitch, overdrive, distortion, and a noise suppressor, allowing you to run six effects simultaneously.
Can the Boss MS-3 integrate with external pedals?: Yes, the Boss MS-3 can seamlessly integrate with three of your favorite external pedals, providing a versatile setup for any guitarist.
How does the Boss MS-3 handle MIDI devices?: The Boss MS-3 features MIDI output, allowing it to control and integrate with MIDI-compatible devices for expanded performance capabilities.
Is the Boss MS-3 suitable for live performances?: Yes, the MS-3 is designed for live performances with features like deep rig control, amp channel switching, and real-time effects adjustments.
Does the Boss MS-3 come with any software?: The Boss MS-3 includes the MS-3 Editor/Librarian Software for Mac and PC, which helps you manage patches and customize your effects setup.
What are the main connectivity options for the Boss MS-3?: The Boss MS-3 offers connectivity options including 1/4" inputs and outputs, MIDI out, USB Type B, and control/expression pedal inputs.
What power supply does the Boss MS-3 require?: The Boss MS-3 operates on a 9V DC power supply, which is included with the unit.

Videos

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BOSSchannel

BOSS MS-3 Multi Effects Switcher feat. Poly-Math

BOSSchannel

Boss MS-3 Multi Effects Switcher | Reverb Demo

Reverb

Boss MS-3 Multi Effects Switcher

ProGuitarShopDemos

Boss MS-3 Multi Effects Switcher Demo with Tom Quayle (NEW 2017)

Sound Affects

Boss MS-3 Multi Effects and Pedal Switcher | Review

Guitar Interactive Magazine

BOSS MS-3 Multi Effects Switcher Review

Sweetwater

Review Demo - Boss MS-3 Multi Effects Switcher

Premier Guitar

BOSS MS-3 Multi Effects Switcher Review & Guide

PMTVUK

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Reviews

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PROS

Simplifies pedalboard with extensive internal effects
Compact design integrates well with existing pedalboards
High-quality Boss effects with excellent sound fidelity
Allows for external pedal integration via 3 loops
Midi compatibility enhances control options
Programming and setup are easier with computer software
Versatile usage, from standalone board to complex setups
Durable, sturdy build quality
Efficient power consumption for low pedalboard load
Facilitates a minimalistic setup without losing sound quality

CONS

Learning curve and programming can be time-consuming
Limited flexibility with fixed loop order in signal chain
Manual mode lacks extensive flat/parallel control options
Absence of modern connectivity features like Bluetooth
Some effects like rotary sounds may not match dedicated pedals
Preset switching can cause reverb/delay spillover issues
Limited to three loops when using 4-cable method

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Boss MS-3 Multi Effects Switcher.

Features and functionality

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The MS-3 cannot switch the order of loops or place internal effects between them, which limits flexibility in signal chain arrangement.
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The MS-3 allows for parallel effect routing, enabling unique sound combinations like blending octave fuzz with gain pedals for a distinct lead tone.
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The MS-3's three FX loops can be expanded using MIDI-compatible switchers like the Morningstar ML-10x, allowing more complex setups.
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Comparisons

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The HX Effects is praised for better sound quality, effects routing, and support, though it has a larger footprint and fewer loops than the MS-3.
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While the MS-3 excels as a compact effects switcher, some users prefer the HX Stomp for its comprehensive all-in-one capabilities, despite its larger size.
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Use cases and applications

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Ideal for setups requiring one-click total recall for multiple sound presets, especially for vocalists needing quick changes.
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Users find the MS-3 essential for reducing pedalboard size and minimizing tap-dancing during performances, especially beneficial for vocalists handling both singing and guitar playing.
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The MS-3 is effectively used with the 4-cable method, dedicating an FX loop for amp integration while managing other pedals via its limited loops.
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User experience

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Initial programming of the MS-3 is challenging, but it becomes essential once mastered for pedalboard-centric setups.
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Owners highlight the utility of the MS-3 as a true bypass looper for managing multiple drive pedals and effects like Tera Echo, enhancing live performance flexibility.
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Some users find programming MIDI switchers like the Morningstar ML5 challenging, impacting their ability to achieve desired patch configurations.
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Value and pricing

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More affordable alternatives with limited programmability include GigRig Quartermaster and Disaster Area Designs DPC-8EZ, offering more loops for less cost.
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Acquiring a used MS-3 for around $250 is considered a significant bargain compared to more expensive alternatives like the HX models.
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Software and compatibility

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Users recommend using the MS-3's editor software for easier patch management and maximizing the unit's capabilities.
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Compatibility with MIDI loop switchers such as One Control and Oscillator Devices Hydra4 offers budget-friendly expansion options under $200, though import fees may apply for some brands.
Source

Mods and upgrades

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Using the MS-3 with additional MIDI loop switchers can expand its capabilities, especially when integrating external dirt pedals and utilizing built-in effects post-amp.
Source

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5.0 out of 5

Based on 3 Reviews and 18 Ratings

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whatsallthefuzzabout

782

over 7 years ago

Very versatile with few issues

The MS3 is VERY easy to programme and set up as you would expect from a BOSS product. I had owned one about a year ago which i sold as it gave me the bug for a switcher. I have since come back to it as its essentially now my Modulation effects and a switcher. I was going to go for an ES5 and the Boss MD 500 but this just made more sense to have both in one. My only 2 gripes, which are the same as when i first had are: 1. I wish there was a 5th present in each bank as 4 options can be restricting as i like to add in certain things when i feel like it. To combat this i simply placed a delay after the MS3 so i can switch it on whenever i like and i have placed 1 drive before it so i can add in dirt or boost (as its a dual drive) whenever i please. 2. There is only a Midi out. While i now have no Midi effects (with the MS3 i dont feel like you NEED them since it has so much built in) its still nicer to have the option if i chose to expand. Yes, with the Midi out you can still have the MS3 switch your units parameter or bank etc, but cant have it in the loops the same way you could with having the Midi In unless you then run that into one of the 3 inputs which are most likely going to have other drives in there anyway.

Aside from those 2 things, that are very easily admissible, it is an excellent unit.

The inbuilt effects are fantastic quality and its a solid built machine. Its very user friendly and there are a million and one tutorial videos online (highly recommend Rabea Massaads tutorial)

The way i looked at this was its essentially a BOSS MD500, RV500 and DD500 in one machine with the option to set up loops. Very handy even if its just used for the time/mod end of your board and nothing more.

EDIT I wanted to add that I'm aware of the functionality differences between the MS3 and the BOSS 500 series pedals such as the ability to have more than 1 effect on at one time, such as 2 delays on the DD at one time and 2 reverbs on the RV etc. I'm aware some may wish to do this for stereo set ups which i do not use so it makes no odds to me.

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Guitarist

Genres:

Rock Pop Blues