● B1X FOUR offers over 70 built-in effects
● 9 amp models for simulating classic rigs
● Up to 5 effects can be used simultaneously, chained together in any order
● Built-in expression pedal provides control over effects such as volume, wah, and pitch (B1X FOUR only)
● Looper for recording up to 30 seconds / 64 beats of CD-quality audio
● ZOOM Guitar Lab software for creating, editing and managing effects and patches
● 68 built-in rhythm patterns which can be used in conjunction with the Looper
● 50 memory locations for storing user-created patches
● Auto Save function for automatic saving of all patch parameters
● PRESELECT function allows silent patch selection while the current patch remains operational
● Onboard chromatic tuner
● Input jack accepts standard mono bass guitar cable (both active and passive instruments supported)
● Auxiliary input jack for connection of personal music players
● Output jack for connection to amp or headphones
● Lightweight and small enough to fit in your gig bag
● Easily integrated into any existing pedal board
● Runs on 4 AA batteries, with alkaline battery life of 18 hours
● USB port for firmware updates, power and connection to ZOOM Guitar Lab
Specs
General Specifications
| 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
| INPUT | Standard mono phone jack | Rated input level: -20 dB | 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) |
Additional Specifications
| 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 | Connector: USB2.0 Micro-B |
| Guitar Lab | Standard: USB 1.1 Full Speed | |
| Supported cable: USB2.0 Micro-B cable | Use cables for data transfer. | Power can also be supplied through the USB port. | When using a cable designed only for power, other USB functions cannot be used. | |
| External dimensions | B1 FOUR | Height: 156 mm (D) × 130 mm (W) × 42 mm (H) | Weight: 340 g (excluding batteries) |
| B1X FOUR | Height: 156 mm (D) × 216 mm (W) × 52 mm (H) | Weight: 610 g (excluding batteries) | |
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*Note: 0 dBu = 0 |
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