● B1 FOUR offers over 60 built-in effects
● 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 for control over any parameter (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