BOSS GT-1 Guitar Effects Processor

Product ID: 110785

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  • 108 effects to choose from, with 99 User & 99 Preset Patches
  • Flagship-class BOSS sound engine derived from the top-line GT-100
  • Light compact unit without hard edges for safe transportation
  • Exceptional build construction and rugged durability
  • Numerous COSM amps included for you to play with
  • Integrated looper for enhanced practice and performances
  • Up to 7 hours of battery life with 4 x AA-size batteries
  • Easy Select and Easy Edit function for choosing effects and tweaking on the fly
  • Built-in control switch and expression pedal with additional jack & USB


Lightweight, portable and extremely durable, the BOSS GT-1 offers up a universe of world-class effects and amps perfect for a variety of different styles of music. This streamlined interface, driven by the powerful BOSS GT-series engine has been designed for players of all levels providing access to unrivalled tone quality and sound shaping capabilities that exceeds typical compact multi-effects.

A world of effects at your feet

Whether you’re a weekend warrior, casual player or professional musician, you’ll find the BOSS GT-1 has something for you, all wrapped up in a highly durable, portable package. Enjoy hundreds of effects including overdrive/distortion, chorus, delay, and other standards. You can also take advantage of a myriad of cutting-edge MDP effects, and utility effects such as Acoustic Simulator and Guitar Simulator. If that’s not enough, those who appreciate a wide variety of different amp sounds will love the fact numerous COSM amps are also included in the GT-1 as well as a looper for intricate layering and jam sessions.

Lightweight yet sturdy

Designed for the touring or travelling musician, the GT-1 is as rugged as they come. A lightweight design ensures it’s easy to carry and the modern design without hard edges ensures it slips in and out of your guitar bag’s accessory compartment easy and won’t damage anything in transit. The seven-hour battery life powered by 4x AA size batteries makes it a perfect option for street performers, buskers or those who play mobile gigs.

Access to BOSS Tone Central and BOSS Tone Studio

Visit BOSS Tone Central and access a myriad of free patch collections perfect for playing all types of music with the GT-1. Each patch is created by professional guitarists and all are ready to use with your unit. For those who want superior access and control over their sound, the free BOSS Tone Studio software will provide the user with a full featured editor/librarian for the GT-1 and provides integrated access to the patch collections at BOSS Tone Central.

Huge control, small footprint

Each of the three GT-1 footswitches have been designed to provide easy patch selection, access to the tuner, looper control and whole lot more in a smaller footprint. Assign the dedicated CTL1 switch to your preferred function, whether the tap tempo, effects on/off or a variety of others and use the expression pedal and toe switch to volume, wah and a host of different effects parameters. Those who record at home will appreciate the fact the GT-1’s USB jack will allow you to record and re-amp your tones with the DAW of your choice. For those who want a wide variety of effects, superior control over their sound and a multi effects unit that offers so much more than its counterparts, all in a smaller, more portable chassis, the BOSS GT-1 is the right choice every time.

Model GT-1 Guitar Effects Processor
Dimensions (H x W x D) 56 x 305 x 152 mm
Weight (excluding AC adaptor) 1.3 kg (including batteries)
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
Effects 108 types
Patches 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
Controls 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
Display Graphic LCD (132 x 32 dots, backlit LCD)
Connectors 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
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.
Accessories Owner's manual
Alkaline battery (AA, LR6) x 4
Options (sold separately) AC adaptor: PSA series
Footswitch: FS-5U, FS-5L, FS-6, FS-7
Expression Pedal: FV-500L, FV-500H, Roland EV-5

* 0 dBu = 0.775 Vrms

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