Feature:

【BT:Bluetooth】BT means Bluetooth.You can use your phone or I pad to play background music for your workout.

【Two speakers】6.5-inch woofer shows the bass better, 2-inch tweeter shows the treble well.

【Multipurpose amplifier】It can be connected to your electronic drum, keyboard or another instrument

【Portable design】Small size and light weight. It can running to a family practice, lesson or any situation.

【Easy to use】Three Knobs are easy to control. Indicator light make simple use.

LOW : This knob can adjust 'low frequency' of audio input by ' INPUT '

HIGH :This knob can adjust 'high frequency' of audio input by ' INPUT'

VOLUME : This knob is used to adjust the volume of power amplifier output

Function Indicator：Turn on the amplifier, the indicator light will turn yellow; turn on Bluetooth, the indicator light will flash blue and wait for connection

Bluetooth /USB

You could storage more songs in USB, avoid embarrass situation that your phone is low battery. 

You could also use your phone or iPad to play background music for your practice.

How to turn on Bluetooth: Long press the “BT” button to turn on Bluetooth

Can be connected to electronic keyboard, electronic drum

Optimized circuit chip design for the frequency characteristics of electronic organs, 

electronic organs and other percussion instruments, without distortion and better highlighting the percussive sound

Perfect choice for traveling musicians

The Coolmusic DM20 Amplifier is perfect choice for traveling musician. 

Whether you’re running to a family practice, lesson or any situation that requires portability and versatility, 

the Coolmusic DM20 is in a Classic Portable Size and that’s ready to travel fast. Coolmusic DM20 Bring you a wonderful musical journey.

Specification:

1/4" Audio line input

2 segment EQ knob, volume control knob;

Built-in transformer, non-removable power cord

Size:250*286*232 mm

Weight: 5kg

Skin: Paste black PU leather

Knob:2 segment EQ knob, volume control knob

Bluetooth/USB:'Switch' , 'Up and Down' , 'Volume +-' buttons

Power supply mode: DC adapter power supply, 18V/3A, internal positive and external negative