The GX-1B delivers professional-grade sound and features in an ultra-portable platform for practice, recording, and performance.
4.8
8 Reviews
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Let’s be honest, lugging a monolithic bass rig to a jam session or a small gig feels like using a sledgehammer to crack a nut. You’ve got the tone, sure, but your spine is screaming for mercy. The Boss GX-1B is the antidote to the amp-hauling blues. This isn't just a pedal; it's a sonic chameleon, a creative powerhouse that crams decades of legendary BOSS bass tone into a box so small it'll fit in your gig bag's front pocket. Whether you're a seasoned pro needing a fly-rig or a bedroom bassist ready to explore, this little beast delivers world-class sound without the chiropractic bills.
The Swiss Army Knife of Slap and Pop
Tired of tap-dancing on a dozen different pedals just to get through one song? The GX-1B was built to streamline your signal chain and unleash your creativity, solving the eternal bassist's problem of wanting infinite tones in a finite space.
A Universe of Tone: With 16 stunningly realistic AIRD amplifiers and over 130 classic BOSS effects at your command, you can dial in anything. Go from the warm, pillowy thump of a vintage tube amp to the aggressive, metallic grind of a modern stack, and then slather it in iconic chorus, delay, or a filthy fuzz. Your sonic playground just got a whole lot bigger.
Build Sounds at Ludicrous Speed: Forget menu-diving until your eyes glaze over. The brilliant color display and intuitive effect buttons make crafting your sound a breeze. Better yet, the new Gear Suite feature lets you instantly recall professionally tuned settings for any amp or effect with the simple turn of a knob. It’s like having a world-class roadie living inside your pedal.
Practice, Play, Produce: This is more than a pedalboard; it's your all-in-one creative partner. Jam along with tracks from your phone via Bluetooth, record directly to your computer over USB-C, or plug in your headphones for silent practice that still sounds massive. The GX-1B flows seamlessly from your bedroom to the stage to the studio.
Pro Power, Pint-Sized Package
Don't let the compact size fool you. This processor is packed with features designed for the serious player.
Total Tonal Freedom:Craft your dream rig with up to eight simultaneous effect blocks. Tweak, reorder, and save your creations to one of 99 user memory slots, ready for instant recall.
Command and Control: The three onboard footswitches and built-in expression pedal are completely assignable, giving you real-time control over your sound.
Power Up Anywhere: The GX-1B gives you ultimate flexibility with three power options. Run it on AA batteries, a standard AC adaptor, or get power directly from a computer's USB port.
Stop Hauling, Start Playing
Your tone shouldn't be limited by the size of your car or the strength of your back. The Boss GX-1B delivers uncompromising, professional-grade bass sound in a package that goes anywhere and does everything. Add this ultra-portable powerhouse to your setup and unlock a world of creative freedom.
Boss GX-1B Bass Pedal Features
Ultra-portable amp/effects processor for bass with premium BOSS sound and features
Authentic tube amplifier tone and touch response with AIRD technology
Straightforward operation with a color display and intuitive effect category buttons
Eceptional audio quality with 24-bit AD and 32-bit DA conversion, 32-bit floating-point processing, and 48 kHz sampling rate
Explore 16 amplifier types and over 130 BOSS effects
Eight simultaneous effect blocks plus volume pedal and noise suppression
Gear Suite feature allows you to quickly configure each amp and effect with the turn of a knob
Includes 99 ready-to-play preset memories and 99 user memories for storing custom sounds
Three footswitches and an expression pedal with toe switch, all freely assignable
Play along with songs from your mobile device via onboard Bluetooth
Record and play tracks in music production software on a computer or mobile device via a USB-C
BOSS Tone Studio app (macOS/Windows/iOS/Android) with powerful practice features and sound-editing tools
Download and share Livesets on BOSS Tone Exchange
Support for loading WAV speaker IRs
Jack for expanded control with up to two footswitches or an expression pedal
Tap into wireless foot control with the FS-1-WL Wireless Footswitch and EV-1-WL Wireless Expression Pedal
Flexible power options: three AA batteries, AC adaptor, or USB (computer bus power or mobile battery)
Compact, lightweight design fits easily in the pocket of a guitar case or bag
Recommended Load Impedance: OUTPUT (L/MONO, R): 10 k ohms or greater, PHONES: 44 ohms or greater
Controls: DOWN switch, UP switch, CTL1 switch, EXP1 switch, DOWN button, UP button, MENU button, EXIT button, ENTER button, 1-3 knobs, EXP1 pedal, FX1/COMP button, OD/DS button, AMP/CAB button, FX2/EQ button, FX3/MOD button, DELAY button, REVERB button, EDIT button, PEDAL FX button
Display Color Graphic: LCD (320 x 240 dots)
Connectors:
INPUT jack, OUTPUT (L/MONO, R) jacks: 1/4-inch phone type
PHONES jack: Miniature phone type
CTL2,3/EXP2 jack: 1/4-inch TRS phone type
USB COMPUTER port: USB Type-C(R)
DC IN jack
Power Supply: Alkaline battery (AA, LR6) x 4 USB BUS Power AC adaptor (PSA-S series: sold separately)
Current Draw: 250 mA (AC adaptor/Battery) 400 mA (USB)
Expected battery life under continuous use Alkaline: Approx. 5 hours
Dimensions: 307 (W) x 149 (D) x 56 (H) mm, 12-1/8 (W) x 5-7/8 (D) x 2-1/4 (H) inches
Maximum height: 307 (W) x 149 (D) x 73 (H) mm, 12-1/8 (W) x 5-7/8 (D) x 2-7/8 (H) inches
Weight: 1.2 kg, 2 lbs 11 oz
Accessories: STARTUP GUIDE Alkaline battery (AA, LR6) x 4 Leaflet "Read Me First"
Customer Reviews
4.8
Based on 8 reviews
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Scott T. 🇺🇸
Verified Buyer
Replaces several pedals with far
Replaces several pedals with far superior performance and sound quality. Extremely happy with purchase and highly recommend to anyone!
Published date
07/10/26
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ROBERT D. 🇺🇸
Verified Buyer
It's not a "bad" multieffects
It's not a "bad" multieffects unit, but I feel the effects are just "okay" and the Octaver section really lacks in reproducing good solid tone and the tracking is horrible in the lower register.
Published date
06/15/26
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Patrick Q. 🇺🇸
Verified Buyer
As a new bassist I
As a new bassist I was faced with the choice of purchasing a few pedals at $200 each or invest in a multi effects pedal. With the Boss GX-1B it was a simple decision. The compressor and amp modeling alone make this will worth the investment. Once you get into building your own presets and effects yo...
Published date
05/20/26
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Jeremy C. 🇺🇸
Verified Buyer
For my limited purposes, this
For my limited purposes, this bass multi-effects unit has more options than I will ever need.
It is extremely well-built and much easier to use than the previous GT-1B. The software is simple to set up and navigate. Just be aware that if you choose to use the phone-based app (BOSS Tone Studio), yo...
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