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Zoom B1 FOUR Bass Multi-Effects Processor Pedal, With 60+ Built-in effects, Amp Modeling, Looper, Rhythm Section, Tuner, Battery Powered

4.6 4.6 out of 5 stars 1,602 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Electric Guitar Floor Multieffects by Zoom

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Eligible for Return, Refund or Replacement within 30 days of receipt
This item can be returned in its original condition for a full refund or replacement within 30 days of receipt. You may receive a partial or no refund on used, damaged or materially different returns.
B1 FOUR
Processor

Purchase options and add-ons

Brand Zoom
Style B1 FOUR
Color Red, Black
Product Dimensions 5"L x 1.7"W x 6.2"H
Item Weight 1.41 Pounds

About this item

  • 65 built-in bass effects and 9 amp models
  • Free download of Zoom guitar lab Mac/Windows software
  • 30-Second looper
  • 68 built-in rhythm patterns
  • Standard Guitar input, aux input for external audio players and amp/headphone output

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Zoom B1 FOUR Bass Multi-Effects Processor Pedal, With 60+ Built-in effects, Amp Modeling, Looper, Rhythm Section, Tuner, Battery Powered
Zoom B1 FOUR Bass Multi-Effects Processor Pedal, With 60+ Built-in effects, Amp Modeling, Looper, Rhythm Section, Tuner, Battery Powered
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Price$99.99-19% $185.60
List:$229.99
$45.79$129.99$95.99
Delivery
Get it as soon as Wednesday, Mar 27
Get it as soon as Wednesday, Mar 27
Get it as soon as Wednesday, Mar 27
Get it as soon as Wednesday, Mar 27
Get it as soon as Wednesday, Mar 27
Customer Ratings
Versatility
4.6
3.7
3.6
4.7
3.9
Value for money
4.7
4.1
4.8
3.9
Sound quality
4.4
3.7
4.8
4.1
Sturdiness
4.7
5.0
3.6
Easy to use
4.3
3.5
3.7
Sold By
Amazon.com
Amazon.com
BEI CAI - US
JFOUT
MOOER
hardware interface
usb
bluetooth
usb
power source
Battery Powered
Battery Powered
Corded Electric,Electric
Electric
amperage
9 amps
22 amps
9 amps
300 milliamps
300 milliamps
signal format
Analog
Analog
Analog
Analog
Analog
controls type
Knob
Touch
Knob
Auxiliary
USB
Headphones

Product information

Warranty & Support

Product Warranty: For warranty information about this product, please click here

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Zoom B1 FOUR Bass Multi-Effects Processor Pedal, With 60+ Built-in effects, Amp Modeling, Looper, Rhythm Section, Tuner, Battery Powered


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Product guides and documents

Product Description

The Zoom B1 FOUR helps you and your bass set the tone with over 60 effects and amp models, Looper and a built-in rhythm section. Plus, Access Zoom guitar Lab’s library of downloadable effects.


From the manufacturer

zoom, b1 four, bass

Zoom Guitar Lab Software
ZOOM Guitar Lab Software Included

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

Zoom B1 Four

Bass Multi-Effects Pedal

The Zoom B1 Four takes 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 offers over 60 built-in effects
  • 9 amp models for simulating classic rigs
  • Up to 5 effects can be used simultaneously, chained together in any order
  • Looper for recording up to 30 seconds / 64 beats of CD-quality audio
  • 68 built-in rhythm patterns

Zoom B1 Four Bass Multi-Effects Pedal Features

Zoom B1 Four

Zoom B1 Four

Zoom B1 Four

Beyond the Bass-ics

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

Classic Amps

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

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.

Additional Features

zoom b1 four

zoom, b1 four

zoom, b1 four

zoom, b1 four

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.

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.

The Zoom B1 Four Multi-Effect Pedal

Zoom B1 Four

External dimensions:

Height: 156 mm (D) × 130 mm (W) × 42 mm (H) Weight: 340 g (excluding batteries)

B1 Four Specifications

Bass Multi-Effects Pedal

Maximum number of simultaneous effect: 5

User patches: 50

Sampling frequency: 44.1 kHz

A/D conversion: 24-bit, 128× oversampling

D/A conversion: 24-bit, 128× oversampling

Signal processing: 32−bit

Display: 128x32 dot matrix LCD

Input: Standard mono phone jack Rated input level: -20 dBu Input impedance (line): 470 kΩ

AUX IN: Stereo mini jack Rated input level: -10 dBu Input impedance (line): 1kΩ

Output: Standard stereo phone jack (combined line/headphone) Maximum output level: Line +2 dBu (10 kΩ or more output impedance) Headphones 17 mW + 17 mW (32Ω load)

Input S/N: 120 dB

Noise floor (residual noise): -97 dBu

Power : AC adapter: 9V DC 500mA center negative (ZOOM AD-16); 4 AA batteries (about 18 hours continuous operation time when using alkaline batteries with the LCD backlight off)

USB: USB MIDI, USB Micro-B Power can also be supplied through the USB port. When using a cable designed only for power, other USB functions cannot be used.

Looking for specific info?

Customer reviews

4.6 out of 5 stars
4.6 out of 5
1,602 global ratings

Customers say

Customers like the guitar effect device for its large variety of great effects and amp simulations. They say it works great and is very useable. Customers also appreciate the quality of the pedal, saying it's a great piece of gear. They like the sound quality, saying that it has amazing sound and effects that are easily tailored. Customers are also impresseded with the sturdiness, saying the build is solid and feels like a quality device.

AI-generated from the text of customer reviews

70 customers mention54 positive16 negative

Customers like the ease of use of the guitar effect device. They say it is intuitive, convenient for rehearsal, and easy to access and tweak parameters. They also say the drum tracks are easy to use and good for practicing and playing by yourself. Customers also say that the pedal is fairly easy to set up and edit via USB. They like that it is fun to use, and that they can easily modify and fine-tune an effect just the way they want it.

"...It's easy to access and tweak parameters, and the ability to save and recall your favorite presets is a convenient feature for live..." Read more

"...Convenient for rehearsal. I didn't intend to use it for this, but I have very much enjoyed it as a portable practice tool...." Read more

"This bass pedal is so fun to use and very easy to play with. The hardest part is finding out which effect is my favorite" Read more

"...Functional headphone amp. Looper. Drum machine. Intuitive/easy to use. Uses batteries...." Read more

66 customers mention51 positive15 negative

Customers like the sound quality of the guitar effect device. They mention that it has amazing sound and effects, is easy to tailor, and the best bass effects pedal they've ever owned. The processor pedal has a good variety of bass effects that are fully customizable. The flexibility it offers for tone is fantastic, and it's fun experimenting with different sounds. The sounds banks are easier to navigate, and preset effects are good and easy to use.

"...Its excellent sound quality, wide range of effects, rhythm patterns, and looper function make it a versatile and valuable addition to any bassist's..." Read more

"...maybe 2/3 the price of any of those analog pedals, and the effects sound good enough to me...." Read more

"...I found the chorus, octave, and synths surprisingly decent, but everything else was pretty meh and all of the drive/fuzz/distortion stuff painfully..." Read more

"...I'm NOT exaggerating. This little jewel is undoubtedly the BEST bass effects pedal I've ever owned or played with...." Read more

60 customers mention57 positive3 negative

Customers are satisfied with the quality of the guitar effect device. They mention that it is an awesome little headphone practice unit, fantastic, and a good piece of equipment. Some say that it's great for studio and live shows, and that the drum machine and looper are nice touches for practicing.

"...Overall, the Zoom B1 Four is a fantastic multi-effects pedal for bass players...." Read more

"...The tuner is great. So for a practice tool with a tuner and a mini drum machine AND the ability to play with some effects, it's awesome!..." Read more

"It's very good, sometimes it's limited in effects and memory." Read more

"...The Tuner is just fine and is a great bypass, definitely going to keep this bad boy in my pedal chain as it grows because without having bought it i..." Read more

31 customers mention28 positive3 negative

Customers like the effects in the guitar effect device. They say there are a large variety of effects and amp simulations based off real world. They mention that the effects are fun, reasonable, and easy to use. Customers also appreciate the preset effects and the ability to customize each effect. Overall, customers are satisfied with the effects and patches in the device.

"...Its excellent sound quality, wide range of effects, rhythm patterns, and looper function make it a versatile and valuable addition to any bassist's..." Read more

"...It has a lot of preset effects, which are combinations of the emulated pedals/amps...." Read more

"...tool with a tuner and a mini drum machine AND the ability to play with some effects, it's awesome!..." Read more

"It has plenty of effects that I doubt I will use them all...." Read more

30 customers mention21 positive9 negative

Customers like the performance of the guitar effect device. They say it works great, is very usable, and is well built. Some say the different amp modes and the tuner work great, while others are quite useful. Overall, most are happy with their purchase and recommend it to others.

"...This thing is absolutely great...." Read more

"...I have this adapter (https://a.co/d/9jE8q9U) and it works perfectly fine with the pedal...." Read more

"...My most favorite feature is the tuner. It works very fast and accurately. I have a pedal Monoprice and a clip-on Snark, too...." Read more

"...the chorus, octave, and synths surprisingly decent, but everything else was pretty meh and all of the drive/fuzz/distortion stuff painfully bad...." Read more

27 customers mention22 positive5 negative

Customers like the sturdiness of the guitar effect device. They mention that the build is solid, it feels like a quality device, and that the "Glam Comp" setting delivers jaw-dropping sustain.

"...In terms of build quality, the B1 Four feels robust and sturdy, ready to withstand the rigors of gigging and traveling...." Read more

"...I don't use the looper and am ok with the plastic body. The build is solid but I am not sure how much "stomping" it can take from a more vivid..." Read more

"A lot of effects, good price, feels pretty strong even though it's made with mostly plastic. Great for practice." Read more

"...There are a few presets that are absolute trash, but otherwise a very solid pedal that for under $100 is a killer deal . Definitely recommend this" Read more

25 customers mention21 positive4 negative

Customers like the loop function of the guitar effect device. They say the presets and drum loop are good for spicing up their music. They also appreciate the built-in rhythm patterns and looper function. Some love the drum/beats function and the fact that they can customize each. They mention the looper is a fantastic addition, enabling them to layer and record loops on the fly. However, some customers have reported issues with the recorded loop not being saved.

"...Its excellent sound quality, wide range of effects, rhythm patterns, and looper function make it a versatile and valuable addition to any bassist's..." Read more

"...The drum tracks, battery power, and headphone out make it easy to use.3) Computer interface...." Read more

"...The looper is cool, but it does not retain the recorded loop after you power down the unit...." Read more

"...Tons of effects and amp models, effect strings, looper, built-in drum machine, aux-in so you can play over your own music, no latency....it really..." Read more

Love this multi pedal!
5 Stars
Love this multi pedal!
A ton of very usable presets, more you can create and save..You get really decent sound from most of the effects.Also a drum machine and a looper.Slight learning curve but not too bad. You can change and create your own patches and put your simulated pedals in any order to find what works best for you. I found alot of cool tones and you are able to hear what different effects sound like without buying an expensive pedal first every time. 6 months in...It has a permanent home on my board.It is plastic housing. That's a minor issue for me but I'm really not taking it many places. The value for the money is there so I can absolutely overlook itHaven't had any problems at all. Only wish it was metal. It would feel a bit more sturdy.It definitely needs a dedicated500 milliamp power supply. Wrong one will cause noise. I get zero noise with the right power supply.I'm very happy with it so far. It does exactly what I need it to do for my bass rig.I absolutely can recommend this to someone who wants to explore the different sounds out there but still wants quality usable sound and some good value for the $$. This is a good one.
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Top reviews from the United States

Reviewed in the United States on June 17, 2023
Style: B1 FOURPattern Name: ProcessorVerified Purchase
2 people found this helpful
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Reviewed in the United States on April 12, 2021
Style: B1 FOURPattern Name: ProcessorVerified Purchase
7 people found this helpful
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Reviewed in the United States on September 28, 2023
Style: B1 FOURPattern Name: ProcessorVerified Purchase
4 people found this helpful
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Top reviews from other countries

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Luiz
5.0 out of 5 stars Mais do que o esperado
Reviewed in Brazil on January 23, 2024
Style: B1X FOURPattern Name: ProcessorVerified Purchase
Talita
5.0 out of 5 stars versatilidade
Reviewed in Brazil on December 11, 2023
Style: B1 FOURPattern Name: ProcessorVerified Purchase
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Talita
5.0 out of 5 stars versatilidade
Reviewed in Brazil on December 11, 2023
demorou um pouco pra chegar, apesar de ser vendido e entregue pela amazon, mas chegou e esta funcionando perfeitamente, melhora demais o timbre do baixo, da muita versatilidade por um valor bem acessivel
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One person found this helpful
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Roget du Thesaurus
5.0 out of 5 stars So great!
Reviewed in Canada on April 21, 2023
Style: B1 FOURPattern Name: ProcessorVerified Purchase
C. Diaz
5.0 out of 5 stars Buena, bonita y barata!
Reviewed in Mexico on June 30, 2020
Style: B1 FOURPattern Name: ProcessorVerified Purchase
6 people found this helpful
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Prayag
5.0 out of 5 stars For Beginners
Reviewed in India on January 11, 2021
Style: B1 FOURPattern Name: ProcessorVerified Purchase