Pricing and availability
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Price
Average Price: $98
Budget/Beginner
$150
$601+
Price Tier
Budget
Standard
High-end
Price History
Based on price data from 7 merchants for "Zoom B1 Four". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
Unleash your creativity with the Zoom B1Four, a powerhouse multi-effects pedal designed specifically for bass guitarists. Compact yet packed with features, this pedal effortlessly combines traditional and boutique effects with cutting-edge technology to elevate your bass playing to new heights. With over 60 effects and amp models, including the capability to simulate classic rigs like Fender, Ampeg, and Aguilar, the B1Four offers a versatile sonic palette that caters to both live performances and studio sessions.
Whether you're layering loops or exploring its built-in rhythm section, the B1Four ensures your basslines are always dynamic and engaging. The integrated looper allows you to effortlessly build multi-layered tracks, while 68 rhythm patterns provide the perfect backdrop for any groove. As a modern bassist, you can also access the extensive Zoom Guitar Lab library, offering an endless array of artist patches and effects to experiment with.
Designed for seamless live performances, the B1Four features two performance modes that allow you to switch patches and effects without missing a beat. Its user-friendly interface and auto-save function mean that you can focus on your music, not on the settings. With the optional ability to run on USB power, four AA batteries, or an AC adapter, this pedal is as versatile as your playing style.
Key Features:
- Over 60 built-in effects and 9 amp models for diverse soundscapes
- Simultaneous use of up to 5 effects, chained in any order
- Looper with 30 seconds of recording and 68 rhythm patterns
- Zoom Guitar Lab software for comprehensive effect management
- 50 memory locations for storing custom patches
- Auto Save and Preselect functions for seamless performance
- Onboard chromatic tuner and multiple input/output options
- Lightweight design, suitable for gig bags and pedalboards
- Operates on 4 AA batteries, USB power, or optional AC adapter
Owner's manual
Zoom B1 Four User ManualProduct specs
| Pedal Type | Bass Multi-FX, Modeling |
| Number of Effects | Over 60 (up to 5 simultaneous), 68 Built-in rhythm patterns |
| Effects Types | Octaver, fuzz, bass synth |
| Amp Modeling | Yes, 9 Amps |
| Looper | Yes, Up to 30 seconds |
| Inputs | 1 x 1/4" (instrument), 1 x 1/8" (aux in) |
| Outputs | 1 x 1/4" |
| USB | 1 x USB Micro-B |
| Software | Zoom Guitar Lab |
| Power Source | Zoom AD-16 AC adapter (sold separately) |
| Power Usage | 500ma |
| Batteries | 4 x AA |
| Height | 1.6" |
| Width | 5.1" |
| Depth | 6.1" |
| Weight | 0.74 lbs. (without batteries) |
FAQs
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What types of effects are included in the Zoom B1 Four?
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The Zoom B1 Four includes over 60 effects such as octaver, fuzz, and bass synth, allowing for a wide range of sound possibilities for bass players.
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Can the Zoom B1 Four be used for live performances?
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Yes, the Zoom B1 Four is suitable for live performances with its amp modeling and ability to use up to five effects simultaneously, providing versatile sound shaping on stage.
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Does the Zoom B1 Four offer any rhythm or looping functions?
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The Zoom B1 Four features 68 built-in rhythm patterns and a looper that can record up to 30 seconds, making it ideal for practice and performance settings.
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Is the Zoom B1 Four compatible with external power supplies?
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The Zoom B1 Four can be powered by the Zoom AD-16 AC adapter (sold separately) or 4 AA batteries, providing flexibility for different performance environments.
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How can I update the firmware on the Zoom B1 Four?
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You can update the firmware on the Zoom B1 Four via the USB Micro-B port by connecting it to a computer and using the Zoom Guitar Lab software.
Videos
Patrick Hunter
The Ultimate Bass Multi-Effect Pedal For Under $100?! - Zoom B1 Four [Demo]
![Video thumbnail for The Ultimate Bass Multi-Effect Pedal For Under $100?! - Zoom B1 Four [Demo] by Patrick Hunter](https://img.youtube.com/vi/1KEGjPpSNtQ/mqdefault.jpg)
The Ultimate Bass Multi-Effect Pedal For Under $100?! - Zoom B1 Four [Demo]
Patrick Hunter
ZOOM B1 Four / B1X Four - Sound Demo (no talking)
Bass Bonedo
Zoom B1 Four Review
Worship Blender
Zoom B1 Four - Preamps & Drivers - No Talk
Samuel Breder
My Honest Review of ZOOM B1 Four
MUSICIAN GeeK
Reviews
PROS
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Versatile: great for practice and live performances
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Offers a wide range of effects and amp modeling
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Built-in tuner, metronome, and drum settings enhance practice sessions
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Portable and battery-powered, ideal for on-the-go practice
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Provides good sound quality with both passive and active basses
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Free software for customizing and managing effects
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More cost-effective than purchasing multiple individual pedals
CONS
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Effects quality not on par with some users' expectations
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Lack of a DI out feature limits live performance and recording flexibility
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Some users find the pedal interface not intuitive for live use
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Limited customization with the expression pedal in the B1X Four version
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Built-in tuner accuracy and quality could be improved
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Software and computer integration can be problematic for some users
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Zoom B1 Four.
Build quality
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The pedal's construction is perceived as plasticky and not sturdy enough for repeated live use as a stompbox.
Source
Comparisons
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The B1 Four is seen as a more versatile practice tool than the Rumble 40, providing more features for home use despite potential concerns about multi-effects quality.
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Users often compare the Zoom B1 Four to the Fender Rumble 40, noting that while the Rumble is better for room practice, the Zoom offers more features for solo use.
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Some users prefer the MS60B+ for gigging due to its more robust construction, despite lacking the B1 Four's looper and drum pad features.
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Users note that the DSM Humboldt Bass Simplifier offers natural analog cabinet simulations with actual resonance, contrasting the less sophisticated cab sims on the B1 Four.
Source
User experience
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Some users report that the Zoom B1 Four is less satisfying through monitors, preferring headphones for a better practice experience.
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Users highlight the absence of a DI out as a limitation, suggesting the B2 FOUR or B6 for those playing through a PA system.
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Owners mention the B1 Four's amp models default to weak low mids, requiring significant adjustment to achieve a punchy sound.
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Features and functionality
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The bass output alone on the Zoom B1 Four may be too quiet when compared to the aux input and rhythm machine levels, especially with passive basses.
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The Zoom B1 Four has a bypass setting for tuning, which some users initially overlooked, preferring to use a volume pedal to mute while tuning.
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The B1 Four includes a looper and drum machine, which are particularly praised for enhancing home practice sessions.
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The M-VAVE Cube Baby Bass, while not ideal for gigs, is highlighted for its integrated rechargeable battery and Bluetooth audio aux input for practice sessions.
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Use cases and applications
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The Zoom B1 Four's headphone output, paired with DT770 Pro 80 ohm headphones, offers a pleasant experience, though users suggest a headphone amp for optimal volume.
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The B1 Four is favored for home practice due to its headphone output and the ability to plug in an auxiliary device.
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The B1 Four is deemed suitable for bedroom practice but lacks the tonal clarity needed for larger gigs, sounding "small" on big stages.
Source
Mods and upgrades
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ToneLib software is recommended for obtaining custom sounds, replacing the default presets that some find cheesy.
Source
4.5 out of 5
Based on 3 Reviews and 6 Ratings
166
It's versatile digital effects. Small size, lot of varieties.
My first pedal (digital) effect for my bass guitar. It has many varieties for effects selection. You can recreate certain tones that are produced by analogue effect pedals with this digital effect and it doesn't sound bad. Loving it!
Artist usage
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Genre Usage
Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.
Used With
Based on how musicians on Equipboard use Zoom B1 Four, it is most commonly used with the following gear.
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Community setups
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