Zoom B1 Four Bass Multi-Effects Processor

Zoom B1 Four Bass Multi-Effects Processor

The Zoom B1 FOUR take your low-end to new heights with over 60 effects and amp models, looper, and a built-in rhythm section. Plus, access ZOOM Guitar Lab’s additional library of downloadable effects.

Beyond The Bass-ICS

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

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.

Zoom Guitar Lab

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.

AutoSave Function

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

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.

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 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.