Boss MS-3 Multi-Effects Switcher (MS3)


Solution for creating a compact professional pedalboard

A new-concept pedalboard solution

  • 112 built-in effects types
  • Intuitive user interface
  • Backlit LCD, editing knobs
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Boss MS-3 Multi Effects Switcher

  •     Powerful integrated solution for creating a compact professional pedalboard
  •     Unlimited sound creation with six simultaneous pedal effects and audio loops for connecting three external pedals
  •     112 built-in effects types for guitar and bass, including delays, reverbs, mod/pitch effects, overdrives, distortions, and more
  •     Intuitive user interface for easy patch creation
  •     Backlit LCD, editing knobs, and panel LEDs for on/off status of loops and effects
  •     Control assign, wave pedal, and other functions for deep real-time expression
  •     Equipped with numerous jacks for amp channel switching, effects control, and more
  •     MIDI output for working with MIDI-enabled effects
  •     Built-in tuner, noise suppressor, and global EQ
  •     USB for patch creation and backup via free MS-3 Editor/Librarian software (to be available in mid-July 2017)

Pedalboard Integration Evolved

The MS-3 Multi Effects Switcher is a new-concept pedalboard solution that maximizes your creative options by combining a world-class multi-effects engine and multi-pedal switcher in one small, dedicated unit. Now, anyone can put together a professional effects system that’s incredibly compact, extremely light, and versatile enough to achieve nearly any sound imaginable. The MS-3 is a sonic powerhouse capable of running 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, work with MIDI devices, and more. With the MS-3, it’s easy to create a portable board or fly rig without the compromises associated with traditional loop switchers and all-in-one multi-effects units.

    Memory mode/Manual mode
AD Conversion
    24 bits + AF method
    AF method (Adaptive Focus method) This is a proprietary method from Roland & BOSS that vastly improves the signal-to-noise (SN) ratio of the AD and DA converters.
DA Conversion
    24 bits
Sampling Frequency
    44.1 kHz
    112 types
Nominal Input Level
    INPUT: -10 dBu
    LOOPS L1–3 RETURN: -10 dBu
Maximum Input Level
    INPUT: +7 dBu
    LOOPS L1–3 RETURN: +7 dBu
Input Impedance
    INPUT: 1 M ohms
Nominal Output Level
    OUTPUT L/MONO, R: -10 dBu
    LOOPS L1–3 SEND: -10 dBu
Output Impedance
    OUTPUT L/MONO, R: 1 k ohms
Recommended Load Impedance
    OUTPUT L/MONO, R: 10 k ohms or greater
    LOOPS 1–3 SEND: 10 k ohms or greater
    Number switches 1–4, MEMORY/MANUAL switch
    ON/OFF button, MENU button, EDIT button, EXIT button, ENTER button
    1–3 knobs
    POWER switch
    Graphic LCD (132 x 32 dots, backlit LCD)
    Number indicators 1–4, MEMORY/MANUAL indicator
    On/Off indicators (FX1, MOD1, L1–3, FX2, MOD2, DLY, REV)
    INPUT jack: 1/4-inch phone type
    LOOPS L1–3 SEND jacks: 1/4-inch phone type
    LOOPS L1–3 RETURN jacks: 1/4-inch phone type
    OUTPUT (L/MONO, R) jacks: 1/4-inch phone type
    CTL OUT CTL1/2 jack: 1/4-inch TRS phone type
    CTL IN EXP1 CTL1/2 jack, CTL IN EXP2 CTL3/4 jack: 1/4-inch TRS phone type
    USB COMPUTER port: USB type B
    MIDI OUT connector
    DC IN jack
Power Supply
    AC adaptor
Current Draw
    280 mA
    AC adaptor
    Rubber feet x 4
    Owner's manual
Options (sold separately)
    Footswitch: FS-5U, FS-5L, FS-6, FS-7
    Expression pedal: EV-30, FV-500L, FV-500H, Roland EV-5
Size and Weight
    275 mm
    10-7/8 inches
    97 mm
    3-7/8 inches
    68 mm
    2-11/16 inches
    1.1 kg
    2 lbs 7 oz