2
3
Phone In
Control panel
USB input : The jack can read storage devices such as USB
flash drive(Insert U disk automatically switch to MP3 mode)
Indicator light :
1.Bluetooth waiting for connection
:
Indicator Light blue flashing;
2.Insert U disk / Bluetooth Connect to the mobile phone : Indicator
light is normally on blue;
3.Single cycle
:
Indicator light is normally on purple.
Mode
button
:
1.Single press : Pause / Play
2.Long press : Bluetooth Open / Close(No insert U disk)
3.Long press : Switch
Bluetooth / MP3
(Insert U disk)
Single press : Next song
Long press : Volume increase
Single press : Previous song
Long press : Volume discrease
Aux IN : Mobile
phones or MP3 input
Reverb
:Timbre modification
Mode Switching
:MP3/Bluetooth
Bass
: Low frequency signal control
Treble
:Middle High frequency signal control
Power indicator
:
1.Non-charging state: Blue light indicates the battery is fully charged, and the red light
indicates low battery, requires charging.
2.Charging Indicator: When the purple light is flashing, is charging, and when it's fully
charged the lights stay steady purple.
Recording button ( this button is invalid when there is no U Disk inserted)
How to turn on Recording Function?
1. Insert the U disk, click to start recording (the indicator light flashes red), click again to end
the recording and play this recording (click again to start a new recording);
2. When playing a recording : double-click the recording button to delete the currently playing
recording file, and long-press the recording button to switch between sequential play/single
cycle (the indicator light is always on in purple during single cycle).
LINE 1
LINE 2
LINE 1 & LINE 2
LINE 3
Channel 2
Gain
Channel 3
Channel 3
Bass
Channel 3
Reverb
Channel 2
Channel 1/2
Reverb
Channel 3
Gain
Channel 3
Treble
Master Vol
Phone In
How to turn on Bluetooth Function and connect with your devices?
1. Turn on the amplifier.
2. Long press the MODE button and turn on Bluetooth MODE.
3. Turn on the Bluetooth function of your device and choose the device with the name of coolmusic
(
Support recording software such as Douyin, Kugou, Kuaishou, National K Song, Sing Bar, etc.)
Channel 1
Channel 1
Gain
Battery Status:
Blue light indicates the battery is fully charged, and the red light indicates a
low battery that requires charging.
Charging Indicator:
When the purple light is flashing, is charging, and when it's fully charged
the lights stay steady purple.
Power
:
Power on/off
D.I
out
:
Connect with another amp or audio mixer
Phones
:
Headset output for personal monitor
18V DC input: Charge with the adapter
9V DC output: Power supply to 9V guitar pedal
BP40
40
40
CAUTION AVIS
18V DC
input
9V DC
output
POWER
D.I
Phones
Built-in MP3, Bluetooth and Record
Light weight and compact size
Deliver full and natural tone
University voltage for intnational use
Schematic diagram of interface
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Summary of Contents for BP40
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