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B1 FOUR offers over 60 built-in effects
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9 amp models for simulating classic rigs
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Up to 5 effects can be used simultaneously, chained together in any order
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Built-in expression pedal for control over any parameter (B1X FOUR only)
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Looper for recording up to 30 seconds / 64 beats of CD-quality audio
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ZOOM Guitar Lab software for creating, editing and managing effects and patches
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68 built-in rhythm patterns which can be used in conjunction with the Looper
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50 memory locations for storing user-created patches
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Auto Save function for automatic saving of all patch parameters
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PRESELECT function allows silent patch selection while the current patch remains operational
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Onboard chromatic tuner
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Input jack accepts standard mono bass guitar cable (both active and passive instruments supported)
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Auxiliary input jack for connection of personal music players
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Output jack for connection to amp or headphones
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Lightweight and small enough to fit in your gig bag
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Easily integrated into any existing pedal board
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Runs on 4 AA batteries, with alkaline battery life of 18 hours
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USB port for firmware updates, power and connection to ZOOM Guitar Lab