12
Connecting an Mobile Devices
Connect the LINE IN (AUX IN) socket on the front of the main unit to the headphone jack on 
an mobile device with an 3.5mm to 3.5mm stereo audio cable illustrated below.
Using Earphones
Turn down the volume before connecting the earphones. Slowly raise the volume with the 
earphones on until you reach your desired volume. When earphones are connected, the 
speakers automatically mutes.
LINE IN
3.5mm to 3.5mm 
stereo audio cable 
(not included)
Front View of the Main Unit
Long-term exposure to loud music may cause hearing damage. It is best to avoid 
extreme volume when using earphones, especially for extended periods.
PHONES
Mobile Devices
MX-DN550_IB_160920_will.indd   12 20/9/2016   11:25 AM