Zoom B2FOUR User manual
Operation Manual
You must read the Usage and Safety Precautions before use.
©2023 ZOOM CORPORATION
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Notes about this Operation Manual
You might need this manual in the future. Always keep it in a place where you can access it easily.
The contents of this document and the specifications of the product could be changed without notice.
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2
Terms used in this manual
Patch memory
Patch memories store effects and amps used, effect on/off states and parameter setting values, allowing
easy recall. Effects are saved and recalled in units of patch memories. Up to 5 effects can be added to a
patch memory, and up to 300 patch memories can be stored.
Effect type
The available effect types include various bass effects and amp/cabinet simulation models. Effects can be
selected from these types to be added to patch memories.
Category
Effects are grouped by types into categories.
Autosave
This function automatically saves changes to patch memory and effect settings.
ECO mode
This function will automatically turn the power off 10 hours after the last operation.
Looper
Mono phrases that are up to 60 seconds long can be recorded and played back repeatedly.
This can be synchronized with rhythm patterns.
Preselect
This function allows continued use of the current patch memory sound while switching to another patch
memory at a distant number.
3
Contents
Notes about this Operation Manual........................................................................................................................ 2
Terms used in this manual........................................................................................................................................3
B2 FOUR structure...................................................................................................................................................... 6
Signal flow.....................................................................................................................................................................6
Memory overview (patch memories)....................................................................................................................... 8
Functions of parts....................................................................................................................................................... 9
Top..................................................................................................................................................................................9
Back..............................................................................................................................................................................10
Side...............................................................................................................................................................................11
Screens that appear on the display.......................................................................................................................12
MEMORY Screen........................................................................................................................................................ 12
EFFECT Screen............................................................................................................................................................13
Library Screen............................................................................................................................................................ 14
MENU Screen............................................................................................................................................................. 15
Making connections.................................................................................................................................................. 18
Turning the power on/off........................................................................................................................................ 20
Turning the power on...............................................................................................................................................20
Turning the power off.............................................................................................................................................. 20
Selecting the DI MODEL........................................................................................................................................... 21
Using the bypass function....................................................................................................................................... 22
Adjusting the overall tonal character and output level...................................................................................... 23
Switching patch memories while playing (MEMORY Screen)............................................................................. 24
Using the PRESELECT function................................................................................................................................ 26
Turning the PRESELECT function on/off................................................................................................................ 26
Selecting patch memories when the PRESELECT function is on........................................................................28
Editing effects (EFFECT Screen)............................................................................................................................... 30
Opening the EFFECT Screen.................................................................................................................................... 30
Turning effects on/off...............................................................................................................................................32
Replacing effects........................................................................................................................................................34
Adjusting effect parameters.................................................................................................................................... 37
Changing the order of effects................................................................................................................................. 39
Adjusting the tempo................................................................................................................................................. 41
Managing patch memories...................................................................................................................................... 43
Changing patch memory names.............................................................................................................................43
Copying and saving patch memories.....................................................................................................................45
Deleting patch memories.........................................................................................................................................47
Creating patch memories.........................................................................................................................................49
Reverting patch memory changes..........................................................................................................................50
Using the tuner..........................................................................................................................................................52
Activating the tuner.................................................................................................................................................. 52
4
Changing tuner settings........................................................................................................................................... 53
Using a connected expression pedal..................................................................................................................... 56
Setting pedal effects................................................................................................................................................. 56
Using rhythms............................................................................................................................................................58
Setting the rhythm effect.........................................................................................................................................58
Starting/stopping rhythm playback........................................................................................................................ 60
Rhythm patterns........................................................................................................................................................61
Using the looper while playing............................................................................................................................... 62
Setting the looper effect.......................................................................................................................................... 62
Looper operations..................................................................................................................................................... 69
Using audio interface functions..............................................................................................................................74
Installing drivers........................................................................................................................................................ 74
Connecting with a computer, smartphone or tablet...........................................................................................75
Operating the B2 FOUR from an iPhone/iPad......................................................................................................76
Making hardware settings....................................................................................................................................... 77
Setting the AUTO SAVE function.............................................................................................................................77
Setting the ECO mode.............................................................................................................................................. 79
Adjusting the display contrast.................................................................................................................................80
Managing the firmware............................................................................................................................................81
Checking the firmware versions............................................................................................................................. 81
Updating......................................................................................................................................................................81
Restoring factory default settings.......................................................................................................................... 82
Appendix..................................................................................................................................................................... 83
Troubleshooting.........................................................................................................................................................83
Specifications..............................................................................................................................................................84
5
B2 FOUR structure
Signal flow
❶Patch memory
The input bass sound passes through effects, followed by amp and speaker cabinet models, in order.
(→Adjusting effect parameters)
❷Looper
Recorded loops can be played back. (→Using the looper while playing)
❸Rhythm
Drum sounds can be played back using internal rhythm patterns. (→Using rhythms)
6
❹DI MODEL
DI models that emulate the characteristics of tube and solid-state types can be selected. (→Selecting
the DI MODEL)
❺Tuner
This can be used to tune connected basses. (→Using the tuner)
❻Master EQ
This adjusts the overall tonal character. This setting is retained even when the patch memory is
changed. (→Adjusting the overall tonal character and output level)
❼Master volume
This adjusts the overall volume. This setting is retained even when the patch memory is changed.
(→Adjusting the overall tonal character and output level)
❽Balanced output
This is output from the BALANCED OUTPUT jack. Connect this to a PA mixer, for example.
❾USB audio
Audio data can be exchanged with computers and smartphones using the audio interface function.
(→Using audio interface functions)
❿AUX INPUT
Audio can be played back from a smartphone, portable audio player or other device.
⓫OUTPUT
An amp or powered monitors can be connected.
⓬PHONES
Headphones can also be connected.
7
Memory overview (patch memories)
Patch memories
These store the effects used, their order, on/off states and parameter settings. Effects can be saved and
recalled in patch memory units. 300 patch memories can be stored.
8
Functions of parts
Top
❶Direction buttons
Use these to select patch memories and effects, for example.
They can be operated by foot.
❷Display
This shows information, including the names of the selected patch memory and its effects along with
their parameter values.
❸Parameter knobs
Use these to adjust effect parameters and make various settings.
❹Footswitches/indicators
Use these to select patch memories and turn effects on/off.
When the EFFECT Screen is open, the indicators show whether effects are on or off.
❺DI MODEL switch
Use this to select the DI MODEL. (The selected model lights.)
❻Bypass switch
This turns bypassing on/off.
9
Back
❶GROUND CONNECT/LIFT switch
The BALANCED OUTPUT jack can be connected or disconnected from the ground.
❷BALANCED OUTPUT jack
Connect this to a PA system.
❸Impedance selection switch
Set the impedance to suit the connected bass.
❹INPUT jack
Connect a bass to this.
❺AUX INPUT jack
Connect a portable music player or similar device here.
❻OUTPUT jacks
Connect a bass amp or powered monitors here.
❼EXPRESSION PEDAL jack
Connect an expression pedal (ZOOM FP02M) here, and use it to adjust a pedal effect.
❽POWER switch
This turns the power on/off.
❾DC 9V AC adapter connector
Connect the dedicated AC adapter (ZOOM AD-16) here.
10
Table of contents
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