Boss GX-1B Bass Guitar Effects Processor Pedal / 9V DC power supply (sold separately)

The Boss GX-1B is a compact bass guitar effects processor designed for players who demand professional-grade sound shaping on a budget. Featuring an intuitive interface and Boss's trusted reverb, delay, and modulation effects, this pedal delivers studio-quality tones in a pedalboard-friendly format.

With 99 user patches and real-time control knobs, you can customize your sound instantly during performance or practice. The dual footswitches allow hands-free navigation, while the built-in expression pedal adds dynamic control to your effects in real time.

Perfect for bassists looking to expand their sonic palette without cluttering their board, the GX-1B integrates seamlessly into any setup. Powered by a 9V DC adapter (sold separately), it's ready to transform your bass tone.

Compact bass FX processor pedal with premium BOSS sound and features

Intuitive top-panel layout with high-resolution color display and effect category buttons

Authentic tube amp tone and response, powered by AIRD technology

Excellent audio quality with 24-bit AD, 32-bit DA conversion, 48kHz sampling rate, 32-bit floating-point processing, and onboard noise suppression

Loaded with 16 amp types and 130+ BOSS FX; 8 concurrent FX blocks

Gear Suite lets you quickly configure amp and effect combinations with a single knob

99 ready-to-rock preset memories and 99 user memories for storing custom patches

3 footswitches and volume/expression pedal with toe switch (both assignable)

Onboard Bluetooth lets you play along with music streamed from mobile devices

USB-C port for recording with DAW software on your computer or mobile device

Compatible with BOSS Tone Studio app (macOS/Windows/iOS/Android)

Download and share Livesets on BOSS Tone Exchange

Support for loading WAV speaker IRs

Expansion jack for additional footswitch or expression pedal

Supports optional FS-1-WL wireless footswitch and EV-1-WL wireless expression pedal

1/4-in. input, L/R output jacks, and external pedal input; 3.5mm TRS headphone jack

Powered via 3 AA batteries, AC adapter, or USB (computer bus power or mobile battery)

Compact, lightweight chassis easily fits in the pocket of your gig bag