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Boss GT-1B Bass Effects Processor Multi FX



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    Product Description

    You'll find every essential bass sound you'd ever need right here in the Boss GT-1B! Packed into the tidy unit are a host of Boss' premium MDP-powered amp tones and effects. An essential piece of kit for plugging direct into an audio interface for recording or front of house when playing live.

    Navigate super simple tone selections for quick and easy patches right out the box. Dive into an incredible selection of sounds ranging from a graphic EQ to reverb and into adventurous pitch shifter realms. Take control with the built-in expression pedal, looper and tuner at the push of single buttons.

    Connect to the Boss Tone Central app to download fully formed patches or get into the nitty gritty of designing your own. Tone Central is an expansive library of guitar and bass sounds created by both pro players and the Boss community.  

    Key Features

    • Premium 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

    Here's what Boss say about the GT-1B:

    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. Please note that the power supply for this unit is sold separately.

    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.

    Cian Hodge author picture

    Written by Cian Hodge

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    Here at Andertons Music Co. we believe that we stock some of the best musical equipment in the world. That's why we want to make it as quick and easy as possible for you to get your order, safe and sound!

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    Customer Reviews


    12 reviews





    Trusted Customer4th May 2022

    Value 5Looks 4Durability 4Sound 4

    Mr William Sykes6th Apr 2022

    The BOSS GT-1B is a really great piece of kit. Was obsessing with synth pedals but couldn't decide which one and then would require an expression pedal etc. The Boss SY-1 doesn't offer presets. I'm pleased with the GT-1B - many many possibilities for designing patches, built in expression pedal & 99 presets. Loads of PROS - Great value. The potential options for combining effects is vast. The build is great, knobs & buttons work easily. I dont use it as a standalone but combine with some analogue pedals, which is a good set up. Still saves plenty of space on pedalboard. CONS - you have to put some graft to get familiar with the software and best usage. There are instructions for the basic operation, using the buttons/dials on the unit but to get the full hang of the software for assigning parameters within patches, BOSS do not supply much info. There are some useful vids online though and chat on talkbass etc - Octave fx doesn't always track brilliantly. Is OK and perfectly usable, but not long sustain. - The Synth fx can be a bit OTT & erratic, if up too high. But great synth type sounds achieved with combining envelope, fuzz, octave, wave etc I haven't used any other effects processor so can't directly compare, but the unit has more than surpassed my main reasons for buying it. Lot of fun discovering new sounds, building a library of patches.

    Value 5Looks 5Durability 5Sound 4

    Mr Kenneth Scott28th Jan 2021

    This has a lot of great sounds out of the box, not too many of ball ones at all. Very easy to program especially with tonecentral software. Light and portable should be great for gigs if we are ever allowed to!

    Value 5Looks 5Durability 4Sound 5

    Trusted Customer20th Apr 2020

    It's filled with Boss effects, To cover all genres. It's layed out in a very usable way.

    Value 5Looks 4Durability 4Sound 4

    Mr L P Guzman2nd Mar 2020

    What it says on the box and lots more.

    Value 4Looks 4Durability 4Sound 4

    Mr Michael Dale21st Nov 2019

    Value 5Looks 5Sound 5

    Trusted Customer16th May 2019

    It's a good product, although tricky to tweak the settings due to its complex options. There's a number of settings to play around with which will keep you tweaking for hours. Worth the money though!

    Trusted Customer21st Apr 2019

    Great, does so many things but at the price really should include an AC adapter

    Mr Georgi Tsaklev22nd Jan 2019

    Mr simon Grant18th Nov 2018

    the only negative is that the pedals are quite close together

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