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Technical Information
Operation
1. Switch on the power on the MD112 by positioning the level to SD, or FM mode.
2. Ensure all the connections are correctly inserted.
3. To listen music from your media player or notebook, please ensure the 3.5mm audio
input is plugged in.
4. Start the playback device and adjust the volume to your preferred listening level.
5. To listen to music from your SD card, please remove the 3.5mm audio plug and insert
the SD card. If both are present, the system will use the source from the 3.5mm audio
input socket. The SD card source will automatically stop playback.
6. Once the SD card is inserted, the speaker will automatically play the music files in its
storage.
7. Depress the FW button to advance to next track. Depress for several seconds to fast
forward the playback track.
8. Depress the REW button to skip backward the track. Depress for several
seconds to fast reverse the playback track.
9. Depress the Play button to start the playback, or stop during a playback
function.
10. SD card capacity is supported up to 32 GB size in storage.
11. The SD slot is recognized as a "Removable Disk" in Windows operating
system. Connect the speaker to the notebook via USB cable and the SD card contents
are read in the operating system. This allows complete file management to be carried
out on the SD storage with ease. Copy, move, and even rename your music files from
your notebook. If the SD memory card is removed from the speaker, the Windows
operating system will immediately recognized the removal.
12. For FM broadcast, switch to FM mode and the last tuned station will be broadcast.
13. Depress the Play button to change the preset stations. Each depress of the Play
button will enable you to skip to the next station in a loop.
14. Depress for several seconds to scan the entire FM range from 87.5 MHz to 108.0
MHZ. Up to 20 preset stations will be automatically saved. During scanning, the blue
LED will blink rapidly. If a station is found, the blue LED will remain steady.
15. To scan the stations, depress the FW button for several seconds and it will scan the
higher frequencies till it receives the next station in strength. Depress the FW button
higher frequencies till it receives the next station in strength. Depress the FW button
once, and it will jump 100 kHz upward the range.
16. Depress the REW button for several seconds to scan downward the frequency
range. Depress REW button once and it will jump backward 100 kHz downward the
range.
17. To end the playback or broadcast, switch the power level to off position.
Amplifier
Speakers
Interfaces
Dimensions
Output power, RMS
Frequency response
Signal/Noise ratio, dB
Input sensitivity, mV
Tweeter driver type
Tweeter rated power
Output
Input
Product dimensions mm
Product Net weight kg
1 Watt RMS
150 Hz -20 kHz
> 60 dB
< 400 mV
2", 4 ohm
2 Watt
86.5 mm diameter x 48 mm
120 g
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