BOSS GT-1 Guitar Effects Processor

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.

For optimal performance, stay up to date with the current GT-1 system software and BOSS Tone Studio

Download “BOSS TONE STUDIO for GT-1” for Windows/macOS

• Premium BOSS sound engine squeezed into a light and compact floor unit
• Modern design with no hard edges enables safe transport in a guitar bag
• Easy Select and Easy Edit functions for quickly choosing and tweaking patches
• Four AA batteries provide up to seven hours of playing time for busking and mobile gigs
• Onboard control switch and expression pedal; footswitch/expression pedal jack and USB
• Download ready-to-play pro patches for free at BOSS Tone Central
• Download and share Livesets at BOSS Tone Exchange

Exceptional Sound

Thanks to its Premium BOSS 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.

Portable Tone Partner

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.

Easy Patch Selection and Sound Creation

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.

BOSS Tone Central and BOSS Tone Studio

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.

Maximum Control in a Small Space

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.

Specifications

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
PHONES 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.

Accessories

Owner's manual
Leaflet "USING THE UNIT SAFELY"
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

Size and Weight

Width

305 mm
12-1/16 inches

Depth

152 mm
6 inches

Height

56 mm
2-1/4 inches

Maximum height

74 mm
2-15/16 inches

Weight (including battery)

1.3 kg
2 lbs 14 oz

* 0 dBu = 0.775 Vrms