ZOOM B1 FOUR

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.

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.

Classic Amps

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

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.

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.

Loop Yourself In

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

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.

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.

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.