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Boss GT-1B Bass Effects Processor

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R4,395.00 R6,295.00
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Bass Multi-effects Processor with 24-bit Processing, 32 Seconds of Looping, and 90 Effects
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Whether you're performing or recording, the BOSS GT-1B bass multi-effects processor gives you the tools you need to craft a stellar bass tone in any application. Loaded with BOSS's most advanced sound engine, you'll be able to tap into a huge range of amplifier and effects models — and you can always download new pro-created patches for free at BOSS Tone Central. It's fast and easy to tweak presets and create your own patches, and support for battery-powered operation makes it the perfect travel companion. If you play electric bass, the BOSS GT-1B processor was made to be your one-stop tone solution for gigging and recording.

Boss GT-1B Bass Effects Processor Pedal at a Glance:

  • Bass multi-effects processor with 90 amps and effects
  • BOSS's flagship sound engine, fine-tuned for bass guitar
  • Includes MDP (Multi-Dimensional Processing) effects
  • Covers everything from common effects such as EQ, chorus, and delay to harmonizers, bass synth, defretter, and more
  • Compact size can fit easily in a gig bag's accessory pocket
  • Includes 99 pro-created presets, with more available for free from BOSS Tone Central
  • Crafting presets is fast and simple thanks to Easy Select and Easy Edit functions
  • Truly portable operation from 4 AA batteries (optional AC adapter available, not included)
  • Flexible control options with assignable control switch and inputs for external switches/expression pedal
  • 24-bit converters and BOSS's proprietary Adaptive Focus method offer excellent sound quality

World-class tone tools for bass

Equipped with BOSS's most advanced sound engine, the GT-1B multi-effects processor features a wide range of preamp models and premium effects. It even offers BOSS's MDP (Multi-Dimensional Processing) effects such as limiting and distortion for tone shaping that doesn't sacrifice your instrument's character. Common effects such as EQ and Wah are onboard, plus more exotic flavors such as Harmonist, Bass Synth, Defretter, and more. You'll find a huge array of classic effects, including modulations, delays, reverbs, and even a built-in looper.

Made to be mobile

The rugged GT-1B bass processor is sized to fit snugly in the accessory compartment of your gig bag, making it a complete stage solution that doesn't require multiple trips back to your car. You can power it with the optional AC power supply (sold separately) or with four AA batteries for truly portable operation.

Dedicated controls for fast preset creation

Whether you want to build your own tones from scratch or customize an existing patch for your own style, the BOSS GT-1B makes it simple. Three easily accessible knobs offer dedicated access to effects parameters. And the GT-1B's Easy Select and Easy Edit modes streamline the patch-creation process even further. Right out of the box, the GT-1B comes with 99 wide-ranging presets, plus another 99 blank user slots for your own creations.

BOSS Tone Central and BOSS Tone Studio expand your capabilities

Download free patch collections for your GT-1B from BOSS Tone Central. These patches were crafted by professional bassists and are dialed in and ready to use. They also make great starting points for players who want to craft their own custom sounds. The free BOSS Tone Studio editor/librarian software provides integrated access to all of BOSS Tone Central's patch collections.

Maximum control with a minimal footprint

With just three footswitches, the GT-1B gives you access to extensive functionality including patch selection, a built-in tuner, looper control, and much more. Bassists at Music Experience appreciate the options for adding additional control too — the dedicated CTL1 switch can be assigned to tap tempo, toggle effects, and other performance-focused controls. And an expression pedal input is available for handling wah, volume pedal, and other control duties.

What BOSS Says...

The GT-1B gives bass players a massive range of pro tone-shaping power in a small and robust package. Backed by BOSS’s flagship sound engine, you have full access to a huge selection of bass-optimized amps and effects for stage and studio playing. The streamlined interface lets you dial in sounds fast, while the onboard control switch and expression pedal enable you to adjust multiple effects in real time. And by connecting to BOSS TONE CENTRAL, you can download new patches, editing software, and more. Compact, rugged, and battery powered, the GT-1B is the ultimate mobile tone companion for every bassist.

Flagship Tone Tools for Bass

Equipped with a bass-tuned version of BOSS’s most advanced sound engine, the GT-1B is absolutely packed with top-quality sound tools. A wide range of preamps are available for shaping your core tone, including updated favorites from the GT-10B and two all-new models. Premium MDP effects like limiter and distortion feature advanced BOSS tech to maintain your instrument’s character and response, enabling free-flowing musical expression. Graphic EQ, T-Wah, and other essentials are on hand too, plus impact effects such as Harmonist, Bass Synth, Defretter, and more. There’s also a complete array of mod, delay, and reverb effects, and even a looper for jamming and on-the-fly creativity.

Mobile Powerhouse

The GT-1B is designed for bassists on the move. It’s surprisingly lightweight and compact, making it ideal for tight stage setups and situations where you need to travel light. The rugged modern design is easy to slip in the accessory compartment of a bass bag, with no worries of hard edges causing damage to your instrument. AC or battery power provides flexibility for any performing situation, so you can always take your tone with you everywhere you play.

Sound Creation Made Easy

With the GT-1B’s intuitive interface, it’s simple to build sounds and fine-tune parameters, even if you’re new to multi-effects. Dedicated buttons provide instant editing access to each effect category, which you can adjust straight away via three panel knobs. The buttons also function as on/off switches, and feature status indicators that let you see which categories are enabled at a glance. Easy Select and Easy Edit functions streamline patch creation even more, allowing beginners and pros alike to achieve polished multi-effects sounds with just a few tweaks.

BOSS Tone Central and BOSS Tone Studio

At BOSS Tone Central, you’ll find a wide selection of free patch collections for the GT-1B. Programmed by top bassists, 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-1B, as well as integrated access to all the patch collections at BOSS Tone Central.

Pro Control in a Compact Space

The GT-1B’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, pitch shift, and various effects parameters. If you crave even more control, there’s 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-1B’s USB jack lets you record tones directly to your favorite DAW.

Boss GT-1B Bass Effects Processor Pedal Features:

  • Flagship-class BOSS sound engine specially tuned for bass
  • Pro-level amps and effects in a light, compact floor unit
  • Essential tools on board for optimizing your core bass tone
  • Includes advanced MDP effects for maximum musical expression
  • Modern design with no hard edges enables safe transport in an instrument bag
  • Easy Select and Easy Edit functions for quickly choosing and tweaking patches
  • Four AA batteries provide approximately seven hours of mobile playing time
  • Onboard control switch and expression pedal; footswitch/expression pedal jack and USB
  • Download pro patches and editor software for free at BOSS Tone Central

The BOSS GT-1B packs awesome tones into a compact bass multi-effects pedal.

          Pedal Type Bass Multi-FX
          Number of Effects 90
          Effects Types Octave, Phaser, Flanger, Tremolo, Chorus, Parametric EQ, Graphic EQ, Wah, Compressor, Overdrive, Delay, Reverb and more
          Amp Modeling Preamp models
          Looper Up to 32 seconds
          Inputs 1 x 1/4" (instrument), 1 x 1/8" (aux in)
          Outputs 2 x 1/4" (main out), 1 x 1/4" (headphones)
          USB 1 x Type B
          Other I/O 1 x 1/4" (control 2/3, expression 2)
          Software Boss Editor software, Patch downloads
          Computer Connectivity USB
          Compatibility Boss Tone Central (download patches), Boss Tone Studio (editor/librarian)
          Power Source 9V DC power supply (sold separately) / 4 x AA batteries
          Height 2.9"
          Width 12.06"
          Depth 6"
          Weight 2 lbs. 14 oz.
          Manufacturer Part Number GT-1B

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