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Bigger, Bolder Bass - B1 FOUR / B1X FOUR Multi-Effect Pedals for Bass!
The Zoom B1 FOUR and B1X FOUR elevate you with over 70 effect and amp models, a looper, and a built-in rhythm section. Additionally, you can access the extra library of downloadable effects from ZOOM Guitar Lab.
X Stands for Xpression
For extra control, the B1X FOUR offers an expression pedal that lets you adjust effects like volume, wah, delay, and pitch.
Beyond the Bass-ics
Create your unmistakable sound with over 60 traditional and boutique effects like octaver, bass synth, and fuzz.
Classic Amps
With 9 classic amps and cabinets like Fender, Ampeg, Aguilar, and more, you can replicate your stage sound.
Free Guitar Lab Software Included
Discover an endless world of patches, effects, and more from artists with ZOOM Guitar Lab. The ability to manage and back up all your patches lets you try and create endless combinations.
Your New Rhythm Section
Play your bass with 68 different drum patterns! The B1 FOUR series offers a built-in drum machine with various rhythm patterns in 4/4, 3/4, and more.
Looper Dynamics
Set a bassline for up to 30 seconds and endlessly layer your performance to create a dynamic, multi-part arrangement.
Zoom Is Your Backup
Activate the auto-save function and your patches and level settings are instantly saved as you create.
Live Performance
Use one of the two performance modes to seamlessly switch patches and effects during live shows. In PRESELECT mode, you can jump from patch to patch without affecting the current sound. STOMP mode lets you turn individual effects on and off.
A Practical Approach
Place your pedal on the floor or desktop and simply dial in the tones and settings you want.
Power Options
The B1 FOUR / B1X FOUR can run on four AA batteries. You can also use an optional Zoom power adapter AD-16 or power the pedal via USB bus.
Jack Cable
The Stage INST cables are professional guitar/instrument cables with high-quality jack plugs and gold-plated tips, ensuring low conductor capacitance and audio transmission.
How Will You Shape Your Tone?
Features
- 65 internal effects in B1 FOUR
- 9 amp simulations of classic rigs
- Up to five effects usable simultaneously and in any order
- Looper for recording audio material up to 30 seconds / 64 beats in CD quality with silent start and end points
- Guitar Lab software for creating, editing, and managing effects and patches
- 68 internal rhythm patterns, also usable with the looper
- 50 memory slots for creating custom patches
- Swap function for especially easy patch management
- Automatic saving of all patch parameters with auto-save function
- Silent patch selection via preselect function while current patch remains active
- Integrated chromatic tuner supports all common bass tunings including low-B, high-C, and drop tunings
- Input jack designed for standard mono jack cables (supports both active and passive basses)
- Auxiliary input jack for connecting your own music player
- Output jacks for connection to amplifier or headphones
- Backlit LCD with contrast adjustment for optimal display in low ambient light
- Lightweight and compact for transport in your gig bag
- Easy integration into existing pedalboards
- Runs on four AA batteries for up to 18 hours runtime
- USB port for firmware updates, power supply, and connection to Guitar Lab
- Optional power adapter
Technical Data
- Maximum number of simultaneous effects: 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: 128 x 32 dot matrix LCD
- Input: standard mono jack socket
- Nominal input level: -20 dBu
- Input impedance (line): 470 kΩ
- AUX IN: stereo mini jack nominal input level: -10 dBu
- Input impedance (line): 1 kΩ
- Output: standard stereo jack socket (combined line/headphones)
- Maximum output level: line +2 dBu (10 kΩ or higher output impedance)
- Headphones 17 mW + 17 mW (32 Ω load)
- USB: USB MIDI, USB Micro-B
- Power supply: 9 V DC 500 mA power adapter or 4x AA batteries
- Dimensions (W x H x D): 130 x 42 x 156 mm
- Weight: 340 g
Cable
- Professional guitar/instrument cable
- Ideal as connection cable between effect devices etc.
- Plugs: 6.3 mm jack → 6.3 mm jack
- Length: 6 m
- Jacket color: black
- Oxygen-free copper
- High-density copper shielding
- Flexible and robust outer jacket
- Hand-soldered plugs
- Acid- and oil-resistant
- Strain relief with clamping sleeve
- Low conductor capacitance
- Gold-plated plug tips
Scope of delivery
- 1 x Zoom B1 FOUR Effect Pedal
- 1 x Cable
Specification
- Product number 00060666
- Colour Red
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Variant Zoom B1X FOUR Effect Pedal Cable Set
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Financing
ConsorsFinanz Finanzierung
- 6 to 72 months term
- 0% financing for 17,93 € per month
- More information on financing
| 3 Year warranty | |
| 30 Day Money Back | |
| Price Match Guarantee | |
| Over 2.000.000 satisfied customers |
The hotline is currently not manned. You can reach us again on Wednesday, 20.05.2026 at 09:30.
| Wednesday | 09:30 - 18:00 | |
| Thursday | 09:30 - 18:00 | |
| Friday | 09:30 - 18:00 | |
| Saturday | 09:30 - 13:30 | |
| Monday | Closed |
Different opening times |
| Tuesday | 09:30 - 18:00 |













