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 FEATURES ● 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 ● 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