Description of the back panel
1. Speaker output connector to the passive box:
Connect the RCA cable from the passive box
to this RCA input
2. Light output connector to the passive box:
Connect the DC plug from the passive box to
this connector
3. LINE input via RCA connectors
4. AC input connector
5. ON/OFF switch of the system
6. Switches the LED on the woofer on /off
CONNECTION OF A WIRED MICROPHONE (not
included)
Connect the microphone to one of the MIC
sockets and switch it on.
Note: If you are playing music from any other
input, connecting the microphone will not mute
the sound output.
KARAOKE Function
This feature is available with any input. Play a track through LINE/USB/SD/Bluetooth, connect a
microphone and sing along.
Built‐in REC function
1. Plug a microphone into one of the MIC inputs.
2. Insert a USB/SD card into the corresponding port. Press MODE button and select USB/SD mode.
3. If the USB/SD card is plugged into the speaker for the first time, the system will automatically create a
folder named 'JL_REC to save the recorded files.
4. When you are ready to record, press REC button to record the sound of the microphone.
USB/SD Operation
Keep the speaker away from high temperatures, strong magnetic fields and any equipment that could
generate interference. If the speaker stops working, switch it off and on again, or unplug USB/SD/MMC
card and re‐plug it. The speaker should be back to normal status.
The maximum size of USB/SD device that can be connected is 32 GB.
Supported music formats: MP3, WMA
BLUETOOTH OPERATION
1. Turn on the unit and press the MODE button on unit to select the Bluetooth function.
2. Activate the Bluetooth feature on the external device to be paired.
3. Initiate a search for devices. The device shows up as "PARTY‐BOX412".
4. Press the to start playing and the buttons and for the selection of songs.
Trouble shooting
If a problem occurs, follow the steps in the table below. If problem still can't be solved, please contact your
retailer.
©Copyright LOTRONIC 2018
PARTY‐BOX412
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