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boss bass pedals BossYour Ultimate Bass Companion The Boss GX 1B Bass Effects Processor The GX 1B delivers professional grade sound and features in an ultra portable platform for practice, recording, and performance. Premium bass tuned amps and effects supply endless creative fuel, while the high res color display, intuitive effect buttons, and Gear Suite tools make sound creation a snap. Rugged, powerful, and remarkably compact, the GX 1B is filled with inspiring tones

Your Ultimate Bass Companion – The Boss GX-1B Bass Effects Processor

The GX-1B delivers professional-grade sound and features in an ultra-portable platform for practice, recording, and performance. Premium bass-tuned amps and effects supply endless creative fuel, while the high-res color display, intuitive effect buttons, and Gear Suite tools make sound creation a snap. Rugged, powerful, and remarkably compact, the GX-1B is filled with inspiring tones for every bassist, from beginning players to touring pros seeking an all-in-one travel solution with no-compromise sound.

• 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
• Exceptional 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

The GX-1B captures decades of Boss’s bass-focused sound development in one versatile processor. Explore 16 highly expressive AIRD amps, complemented by over 130 effects from the vast Boss library. With adjustable effect order and eight simultaneous blocks plus a volume pedal and noise suppressor, you can easily craft custom setups for playing different music styles and performing specific songs on stage.

Whether editing presets or building sounds from scratch, the GX-1B is designed for frustration-free creation. Inspired by the GX-100 and GX-10 interfaces, the hexagon-shaped effect buttons provide a visual representation of the sound categories, and you can use them to turn effects on/off with a tap or access detailed parameters with a long press. You also get 99 memories loaded with ready-to-play presets, plus 99 user memories for storing your custom sound creations.

The GX-1B introduces Gear Suite, a powerful new feature for dialing in amp and effect sounds fast. Each amp/effect type contains multiple factory Gear Suite settings, letting you recall a complete set of professionally tuned parameters with the turn of a knob. You can also edit effect parameters to taste and save favorites in user Gear Suite locations for instant access to personalized settings.

Once you’ve crafted your tones, grow your expressive range on stage with advanced real-time control. Assign the onboard footswitches and expression pedal to control anything you can imagine—from basic effects on/off to adjusting one or more parameter targets at once—and go even further with wired and wireless options for external control. The GX-1B also offers three flexible power options (batteries, AC adaptor, or USB), allowing you to practice and perform anywhere.

The GX-1B flows wherever your creativity takes you. Interface with a mobile device or computer via Bluetooth or USB to jam with songs and record tracks in a DAW. When you’re ready to dive deeper, Boss Tone Studio is your ideal partner. Use the Session feature to play along with YouTube songs and lessons, complete with AB repeat and speed adjustment. Hone your skills with a metronome and rhythms. And access Boss Tone Exchange within the app to stay inspired with pro sounds. Editing tools are also on hand to fine-tune effects and organize sounds for later recall.

SPECIFICATIONS

Audio

• Sampling Frequency: 48 kHz
• AD Conversion: 24 bits + AF method
• DA Conversion: 32 bits
• Processing: 32-bit floating point

Effects and Memories

• Effects: 135 types
• Memories: 99 (user) + 99 (preset)
• Phrase Loop: 38 sec. (mono), 19 sec. (stereo)

Tuner

• Internal Detection: ±0.1 cent

Input/Output

• Nominal Input Level: -10 dBu
• Maximum Input Level: +7 dBu
• Input Impedance: 1 M ohm
• Nominal Output Level: -10 dBu (output, phones)
• Output Impedance: 1 k ohm (output), 44 ohms (phones)
• Recommended Load Impedance: 10 k ohms or greater (output), 44 ohms or greater (phones)

Controls and Interface

• 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: 1/4-inch phone type
• Output Jacks (L/MONO, R): 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
• DC IN Jack

Power Supply

• Alkaline Battery: AA (LR6) x 4
• USB Bus Power
• AC Adaptor: PSA-S series (sold separately)

Power Consumption

• Current Draw: 250 mA (AC adaptor or battery), 400 mA (USB)
• Expected Battery Life: Approx. 5 hours (alkaline, continuous use)

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"

Options (Sold Separately)

• AC Adaptor: PSA-S series
• Footswitches: FS-5U, FS-5L, FS-6, FS-7
• Expression Pedals: EV-30, FV-500L, FV-500H, Roland EV-5
• Wireless MIDI Expression Pedal: EV-1-WL
• Wireless Foot Switch: FS-1-WL
• Carrying Bag: CB-BM-S

We are Chuck Levin's Washington Music Center

Since 1958, Chuck Levin’s Washington Music Center has been the trusted destination for musicians and audio professionals across Maryland, Virginia, and Washington, D.C. Family-owned and operated, our legendary music store delivers Everything in Music®—from instruments and recording gear to pro audio, rentals, and repair services.

Our team of musicians and industry experts lives and breathes gear, helping you build the perfect setup for your next performance, studio session, or installation. As an authorized dealer for top brands, we also offer our award-winning CHUCKSCLUSIVE line—exclusive, limited-edition instruments and collaborations recognized with the NAMM Top 100 Dealer Innovation Award for redefining what a music retail experience can be.

Chuck Levin’s isn’t just a store—it’s a community built by players, engineers, and creators who share a lifelong passion for sound. Stop by our legendary Wheaton, MD showroom or contact us anytime for expert advice, product questions, or the best possible deal on your next piece of gear.