Bass Multi-Effects Pedals

The Zoom B1 FOUR and B1X FOUR take your low-end to new heights with over 70 effects and amp models, looper and a built-in rhythm section. Plus, access ZOOM Guitar Lab’s additional library of downloadable effects.

B1 four pedals
pedals dark

X is for Xpression

For added control, the B1X FOUR features an expression pedal that can adjust effects, such as volume, wah, delay and pitch.

B1x Four on stage

Beyond the Bass-ics

Craft your signature sound with more than 60 traditional and
boutique effects, such as octaver, bass synth and fuzz.

b1 four with amp

Classic Amps

Recreate your on-stage sound with 9 classic amps and cabinets like Fender, Ampeg, Aguilar and more*.


*NOTE: Manufacturer names and product names are trademarks of their respective owners. The names are used only to illustrate sonic characteristics and do not indicate any affiliation with ZOOM.

guitar lab

You’ll Love Our Free Guitar Lab Software

ZOOM Guitar Lab offers an endless world of patches, effects and more. And with its ability to manage and backup all of your patches, you can experiment with endless combinations.

drum set

Your New Rhythm Section

Play your bass to 68 different drum patterns! The B1 FOUR series offers a built-in drum machine with a variety of rhythm patterns in 4/4, 3/4 and more.

B1 on stage with foot

Loop Yourself In

Lay down a bassline up to 30 seconds, and then endlessly overdub your performance to build a dynamic, multi-part arrangement.

bassist using pedal on floor

We’ve Got Your Back(up)

Turn on the auto save function and your patches and level settings will be instantly backed up as you create them.

musicians playing

Live Performing

Use either of 2 performance modes to seamlessly switch up patches and effects during live shows. PRESELECT mode lets you jump from patch to patch without affecting your current sound, while STOMP mode lets you turn individual effects on and off.

Carlitos del Puerto, Bassist | Zoom Creator

b1 four and laptop

A More Hands-On Approach

Pick your pedal up off the floor for desktop use and easily dial in tones and settings to the exact levels you need.

b1 power options

Power Options

The B1 FOUR/B1X FOUR can operate with four AA batteries. You can also use an optional Zoom AD-16 AC adapter or run your pedal via USB bus power.

bass player

How Will You Set the Tone?

What’s in the Box

Here's what comes included:

  • B1 Four or B1X Four Bass Multi-Effects Processor
  • Quick Guide
  • AA Batteries (x4)
  • Bass Patch List
b1 four pedals

Media

Video


Audio

https://soundcloud.com/zoomsoundlab/zoom-b1-four-b1x-four-patch-examples-autowah
https://soundcloud.com/zoomsoundlab/zoom-b1-four-b1x-four-patch-examples-talktome
https://soundcloud.com/zoomsoundlab/zoom-b1-four-b1x-four-patch-examples-rockslap

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