Ultra-portable and easy to use, the GT-1 delivers pro-level tones everywhere you play. Driven by the powerful BOSS GT-series engine, it gives you access to a huge selection of world-class amps and effects for all types of music. A streamlined interface enables quick and intuitive sound creation, while an assignable control switch and expression pedal provide dynamic real-time effects adjustment. And by connecting to BOSS Tone Central, you can download free pro patches, editing software, and more. Equally suited for beginners, weekend warriors, and traveling players, the GT-1 packs premium sound in a compact and rugged package.

Boss gt-1 multi-effects pedal

  • Sampling Frequency

    44.1 kHz

    AD Conversion

    24 bits + AF method
    * AF method (Adaptive Focus method) 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


    108 types


    99 (User) + 99 (Preset)

    Phrase Loop

    32 sec

    Nominal Input Level

    INPUT: -10 dBu, AUX IN: -20 dBu

    Maximum Input Level

    INPUT: -7 dBu, AUX IN: 0 dBu

    Input Impedance

    INPUT: 1 M ohm, AUX IN: 27 k ohms

    Nominal Output Level

    OUTPUT (L/MONO, R): -10 dBu, PHONES: -10 dBu

    Output Impedance

    OUTPUT (L/MONO, R): 1 k ohm, PHONES: 44 ohms

    Recommended Load Impedance

    OUTPUT (L/MONO, R): 10 k ohms or greater, PHONES: 44 ohms or greater


    DOWN switch, UP switch CTL1 switch
    EASY SELECT button, EASY EDIT button, FX1/COMP button, OD/DS button, PREAMP button, FX2/MOD button, DELAY button, REVERB button, MEMORY EDIT button, EXIT button, ENTER button, MENU button
    1 knob, 2 knob, 3 knob
    Expression pedal


    Graphic LCD (132 x 32 dots, backlit LCD)


    INPUT jack, OUTPUT (L/MONO, R)
    jacks: 1/4-inch phone type
    CTL2, 3/EXP2 jack: 1/4-inch TRS phone type
    AUX IN jack: Stereo miniature phone type
    USB COMPUTER port: USB type B
    DC IN jack

    Power Supply

    Alkaline battery (AA, LR6) x 4, AC adaptor (sold separately)

    Current Draw

    200 mA

    Expected battery life under continuous use

    Alkaline: Approx. 7 hours
    * These figures will vary depending on the actual conditions of use.


    Owner's manual
    Alkaline battery (AA, LR6) x 4

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