Zoom B2FOUR User Manual

Using flat tunings
All strings can be tuned flat from an ordinary tuning by 1 (♭× 1 ), 2 (♭× 2 ) or 3 (♭× 3 ) semitones.
Turn to set flat tuning.
NOTE:
Flat tuning cannot be used when the tuner type is CHROMATIC.
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Zoom B2FOUR Specifications

General

Type	Bass Multi-Effects Processor
Simultaneous Effects	5
MIDI I/O	No
USB	1 x USB-C
Looper	Yes
Inputs	1 x 1/4" (instrument)
Outputs	1 x 1/4" (main out)
Power Source	4 x AA batteries
Headphones	1 x 1/8"