Zoom B1X FOUR Bass Multi-Effects Pedal with Expression Pedal

Take your low-end to bold new places with the Zoom B1X FOUR — a bass-focused, all-in-one multi-effects pedal that delivers over 70 effects, amp modeling, looping, and real-time expressive control via a built-in expression pedal.

Key Features

• 70+ Bass Effects: Includes a wide range of classic and boutique sounds — from octaver, fuzz, and bass synth, to modulation, filters, and more.
• Nine Amp & Cab Models: Recreate the tone of beloved bass rigs using nine realistic amplifier and cabinet emulations. 
• Five Effect Chains: Use up to five effects simultaneously, chaining them in any order to sculpt your own tone.
• Built-In Expression Pedal: Control key parameters like volume, wah, delay, or pitch in real time for expressive performance.
• Looper: Record up to 30 seconds (or 64 beats) of CD-quality bass, then stack overdubs and build layered parts.
• Rhythm Section: 68 internal drum patterns let you play along or build grooves while looping. 
• Memory & Auto-Save: Save up to 50 patches, and the auto-save feature backs up your tweaks automatically so you won’t lose your tone.

   

• Flexible Performance Modes:

  • Preselect Mode — silently switch between patches while your current sound continues.

  • Stomp Mode — activate or bypass individual effects on the fly. 

• Chromatic Tuner: Onboard tuner works with both active and passive basses, so you can tune up anywhere.
• Aux Input: Plug in a phone or music player via the 3.5 mm jack to jam along with your backing tracks.
• Power Options: Runs on 4 × AA batteries (approximately 18 hours), or use USB or an optional Zoom AD-16 adapter. 
• Software Integration: Connect to Zoom’s Guitar Lab software for editing, patch management, and downloading new effects. 
• Compact & Rugged Design: Built for both stage and studio with a large LCD screen and durable chassis. 

Why You’ll Love It

• A single pedal that handles everything — drive, synth, modulation, looper, and more — perfect for simplifying your rig.
• Expression pedal gives you real-time control, making performance feel more dynamic and fluid.
• Jam-ready with built-in rhythms and a looper so you can build grooves or practice solo.
• Great for both beginners and seasoned players: it's feature-rich but intuitive, and you can back up your sound as you go.

If you’re looking for a compact yet powerful multi-effects solution for bass that lets you experiment, perform, and loop with ease, the Zoom B1X FOUR is a stellar choice.