User's Manual

switches back to BLUETOOTH mode.
2.3、AUX OUT output
Plug the 3.5mm audio cable into the audio AUX OUT port and connect the
other end to the corresponding input device.
3、Volume Control：
3.1 Control the Speaker volume by adjusting the volume buttons (VOL+,
VOL-) on the playback device；
3.2 Control the Speaker volume by adjusting the volume of audio/video
playback software.
4、Cascading work，
4.1、Two sets of the same model can realize automatic cascading working
mode with automatic Bluetooth connection;
4.2、Conditions for implementing cascading work mode：
4.2.1 There are two sets of the same model in the effective range of
Bluetooth;
4.2.2 Both sets of stereos are powered on and not in LINE IN mode;
4.2.3 Both sets of audio are not connected / automatically connected to
other Bluetooth devices
Use the Bluetooth devices to connect one of the Speakers
(automatically as host), the other Speaker (automatically as assistant) will
automatically connect to the host. The host and assistant play the same
source synchronously. Cascading work can enjoy even more amazing
stereo effects when playing music.
5、Mute function
5.1 In BLUETOOTH mode, the Speaker enters into the Mute mode within 10
seconds if without the input of the sound source; The Speaker will play the audio in
real time after inputting audio signal.
III、Basic parameters
1、Model：YD902
2、Voltage range：DC12V-24V