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Boss GT-1 Guitar Effects Processor Pedal

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Boss GT-1 Product Overview by GAK

The Boss GT-1 is a state of the artmulti effects pedal designed to give you unparalleled sound and exceptional portability. The Boss GT1 takes its sounds from the top of the range Boss GT-100, giving you access to tones you'd typically expect to hear on much more expensive multi effects processors.

Boss GT-1 features standard effects like overdrive and delay, along with reverb and chorus, plus Boss's MDP technology and utility effects like guitar simulation. They've also thrown in a looper for good measure.

The GT-1 is built like a tank, making it the ideal travel partner for gigs. It should slip conveniently into your travel bag. It's either battery or mains powered so you can plug in or take advantage of up to 7 hours of battery life on 4AA batteries. This guitar pedal is really easy to use straight out of the box so even if you're a bit of a technophobe, you'll find yourself fully immersed in the GT-1 for hours on end. Having said that, its loaded with state of the art technology for more technical applications.

Thanks to its flagship-class GT sound engine, the GT-1 provides tone quality and sound-shaping ability that far exceeds typical compact multi-effects. A history of BOSS processing is at your fingers, from classics such as the OD-1 Overdrive to modern effects powered by innovative MDP technology. There’s a huge selection of COSM amp tones on tap too, including vintage legends and BOSS original amps optimized for ideal tone and response. Specialized effects like Acoustic Simulator, Guitar Simulator, and others provide numerous tonal options, and there’s even a looper to enhance your practice sessions and stage performances.

With the GT-1, it’s simple to find fantastic tones for your style, and just as simple to customize them to taste. Beginners can get great sounds right away, while more experienced players will appreciate how quick and intuitive it is to adjust sounds. The Easy Select function allows you to choose patches by genre, distortion, or effect type, while Easy Edit lets you tweak drive, modulation, and echo tones to perfection with little effort. Dedicated panel buttons provide quick on/off switches for effect groups, and also unlock deep-dive parameters for microscopic fine-tuning.

The GT-1’s three footswitches are smartly designed to provide patch selection, tuner access, looper control, and more in a minimal footprint. The dedicated CTL1 switch is freely assignable to functions like tap tempo, effects on/off, and numerous others, while the expression pedal and toe switch are assignable to volume, wah, and various effects parameters. If you crave more control, there’s even a jack for connecting up to two external footswitches or an expression pedal. And in addition to providing access to BOSS Tone Central and BOSS Tone Studio, the GT-1’s USB jack lets you record tones with your favorite DAW.

The GT-1 was designed for musicians on the move. It’s surprisingly lightweight and compact, yet still delivers the rugged durability that BOSS is famous for. The modern design is easy to slip in and out of a guitar bag’s accessory compartment, with no worries of hard edges causing damage to your axe. AC or battery power provides flexibility for any performing situation, and up to seven hours of battery life is available for street performing and other mobile gigs.

At BOSS Tone Central, you’ll find tons of free patch collections for playing all types of music with the GT-1. Created by pro guitarists, these patches are dialed-in and ready to use, and make great starting points for advanced players who like to create their own custom sounds. The free BOSS Tone Studio software provides a full-featured editor/librarian for the GT-1, as well as integrated access to all the patch collections at BOSS Tone Central.

  • Effects
  • -108 types
  • Patches
  • -99 (User) + 99 (Preset)
  • Phrase Loop
  • BOSS GT-1: Guitar Effects Processor
  • -32 sec.
  • AD/DA Conversion
  • 24 bits (+AF method on AD)
  • Phrase Loop
  • -32 sec.
  • 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
  • -3 knobs
  • -Expression pedal
  • 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
  • -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 (Dependent on conditions of use)
  • Dimensions
  • -305 x 152 x 56-74 mm (12-1/16" x 6" x 2 1/4"-2 15/16")
  • Weight (including battery)
  • -1.3 kg (2 lbs 14 oz)
  • 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



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Customer reviews

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  • mr john kelly



  • Jimmy


    So easy to use compared to similar other units available, fantastic sounds and helpful backup/Tone Central on web, all for a great price, love it!

  • mr john kelly


    Great product

  • Antony Jelley


    Boss have always been able to give the best template and inspiration for teachers and students alike, they are light well made and fit in your rucksack with no sharp edges.

  • Olivier


    So far so good. A bit to learn coming from stompboxes. With this device one creates patches and use the effects in that manner. Good tone for the price.

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