COOLMUSIC DM20 20W Electric Drum Amplifier Keyboard Amp Wireless BT Speaker User Manual

COOLMUSIC DM20 20W Electric Drum Amplifier Keyboard Amp Wireless BT

Speaker

Warning Safety Precautions Please note before using

1. Before using the power, please confirm whether the voltage in the place of use matches the working voltage of the amplifier;
2. Do not disassemble the boot case, otherwise the amplifier may be damaged;
3. Do not repair the machine yourself! Opening the case may expose your body to dangerous voltages. If you need repairs, please find qualified repairs; or repairs by our company’s maintenance personnel;
4. If you are a maintenance staff, please note that the equipment needs to be repaired in any case of damage, including: broken and broken power cord, damaged socket head, liquid flowing into the interior of the machine, etc .;
5. Make sure the electrical outlet in your home is grounded;
6. Do not place objects filled with liquids on the equipment;
7. The place of use of this product should be far away from the sidewalk, and the power cord should be unplugged from the power outlet in time after use;
8. Do not store or use the amplifier in a humid environment;

Other matter

1. Protect the power cord plug from being trampled or stressed;
2. After using the device, please unplug the power cord from the socket;
3. Please do not pull the power cord to avoid damaging the internal wiring;
4. It is normal to have a little heat when using this product;
5. To avoid disturbing your neighbors, please adjust the volume to an appropriate level;
6. When you want to transport the device, please put the device in the packaging box that came with the machine, and then transport it.

Function

1. INPUT ：
   Can be connected to ‘ E-drum ‘ and other musical instruments;

2. LOW :
   This knob can adjust ‘low frequency’ of audio input by ‘ INPUT ‘;

3. HIGH :
   This knob can adjust ‘high frequency’ of audio input by ‘ INPUT ‘;

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

5. Function Indicator：
   When the speaker is connected to the power supply, turn on the switch, the indicator light will light yellow; when the Bluetooth is turned on, the light will light blue, flashing means waiting for connection, and steady light means successful connection;
   B.T /USB Function：(Use your phone to connect the amplifier wirelessly)

6. Click： Switch to previous song; Long press： Volume decrease;

7. Click： Start/pause; Long press：’on/off’ B.T function;

8. Click： Switch to next song; Long press：Volume increase;

9. USB：When using a USB flash drive to plug in this interface, the amplifier will turn off Bluetooth and play songs in the USB flash drive;

10. Power Switch：Swipe up to ‘turn on’ and down to ‘turn off’;

Parameter

• Model： DM 20
• Power：20W；
• Speaker：6.5inch bass speaker + 2.5 inch tweeter；
• Input：1/4″ Audio line input;
• Knob Function：2 segment EQ knob, volume control knob;
• Bluetooth/USB：’Switch’ , ‘Up and Down’ , ‘Volume +-‘ buttons;
• Power supply :  The power supply of the adapter, 18V / 3A;
• Cabinet： W286H246D236mm；
• Skin：Paste black PU leather;
• weight： 4.2 KG（Bare metal)

COOLMUSIC(SHENZHEN) TECH CO.,LTD

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