Zoom B2 FOUR User manual

Quick Tour
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www.zoom.jp/docs/b2four
You must read the Usage and Safety Precautions before use.
An Operation Manual with more detailed explanations and other documents
related to this product can be viewed on the following website.

2
Turning the power on and making connections
AC adapter
(ZOOM AD-16)
To prevent noise and mal-
function, connect powered
monitors and bass amps
before turning the power on.
Headphones
BassPA mixer, etc. Bass ampPowered monitors
■GROUND LIFT switch
The BALANCED OUTPUT jack can be connect-
ed or disconnected from the ground.
This connects the ground pin to the
ground.
This disconnects the ground pin
from the ground.
This is useful if noise is caused by a
ground loop.
■Impedance selection switch
Set the impedance to suit the connected bass.
Use this with ordinary electric
basses.
Use this with acoustic basses that
have piezo pickups.
By default, ECO mode is set to ON, so the power will automatically turn off if no use occurs for 10 hours. ECO
mode can also be set to OFF.

3
Using the MEMORY Screen and performing
Patch memories store effect on/off states and parameter setting values. Effects are saved
and recalled in units of patch memories.
MEMORY Screen
Select a patch memory 10 places away.
Select an adjacent patch memory.
Directly select from the 3 patch memories shown on the display.
On the MEMORY Screen use to adjust the overall volume and tone.

4
Using the EFFECT Screen and performing
On the EFFECT Screen, the effects and the amp used in the patch memory are shown in
order from the left.
EFFECT Screen
■Turning effects on/off
■Changing positions of shown effects
: This effect can be used to adjust volume and wah with the expression pedal.
: This sets the tempo used by the rhythm and the looper as well as by delay and modulation effects in BPM
(beats per minute).
: These show the order of the effects.

5
Editing patch memories
■Adjusting effects
When parameters are on multiple pages, ▶and ◀will be shown.
■Selecting different effects from the library
On the Library Screen, the sounds of selected effects can be checked individually.
Use to conrm the effect and reopen the EFFECT Screen.
Library Screen
The B2 FOUR can chain up to 5 effects, but the message to the left will appear if the processing power
is exceeded. Change one of the effects to end this condition.

6
Selecting the DI MODEL
Reverting edited patch memories to previous states
REVERT Screen
Press and
hold
Execute
This reverts the selected patch
memory to the state it was in
when it was loaded.
This reverts the selected patch
memory to its factory default
state.
By default the AUTO SAVE function is on, so changes to patch memories are saved automatically.
TUBE 1 This models the characteristics of a vacuum tube DI
with rich harmonics and thick low frequencies.
TUBE 2 This models the characteristics of a vacuum tube DI
with a clear attack and tight low frequencies.
TUBE 3 This models the characteristics of a vacuum tube DI
with a clear beautiful sound.
SOLID STATE 1 This models the characteristics of a solid-state DI
with moderate compression and a sharp tone.
SOLID STATE 2 This models the characteristics of a solid-state DI
with a clear tone and little distortion.
SOLID STATE 3 This models the characteristics of a solid-state DI
evocative of the Motown sound.
OFF This turns off the DI MODEL.

7
Creating new patch memories
NEW Screen
Press and
hold
Select
the save
destination
Execute
Select effects from the library and create
an original sound.
Using the BYPASS function
Press and hold to bypass only the effects.

8
Using the tuner
TUNER Screen
Press and
hold
• Play an open string and adjust its pitch to tune it.
• The nearest note name and pitch detuning will be
shown.
• ▶◀ will appear when the pitch is in tune.
Use to change tuner settings.
The output is muted when the tuner is in use.
Standard pitch 430 Hz – 450 Hz
Tuner type The desired tuner type can be
selected.
Flat tuning
All strings can be tuned at from
an ordinary tuning by 1 ( ♭× 1), 2
(♭× 2) or 3 ( ♭× 3) semitones.

9
Using the MENU
Press and
hold
Change the effect order.
Change the patch memory name.
Copy the patch memory and save it in a different location.
Delete the patch memory.
Turn the automatic saving function on/off.
Turn the preselect function on/off.
Turn the ECO mode on/off.
Adjust the display contrast.
Restore the factory default settings.
Check the rmware versions.
See the Operation Manual for detailed information about all the functions.

10
Functions of parts
■Top
①Arrow buttons
Use these to select patch memories and
effects, for example.
②Parameter knobs
Use these to adjust effect parameters
and make various settings.
③Footswitches
Use these to select patch memories and
turn effects on/off.
④Display
This shows information, including the
names of the selected patch memory
and its effects along with their parame-
ter values.
⑤DI MODEL switch
Use this to select the DI model (The
selected model lights.)
⑥Bypass switch
This enables/disables the bypass.
■Left side
①USB (Type-C) port
Use this to connect to a computer,
smartphone or tablet.
This supports
operation on USB bus power.
②PHONES jack
Connect headphones here.