Sony SRS-X9 User Manual page 24

About "SongPal"
"SongPal" is an app for controlling Sony audio devices which are compatible with "SongPal", by your smartphone/iPhone.
Downloading this app on your smartphone/iPhone provides the following.
Sound settings of SRS-X9
You can easily customize your sound, or use
Sony's recommended settings "ClearAudio+".
Music service
You can enjoy various music services*.
Controlling devices on your home
network
You can play music stored in your PC or DLNA
server over your network.
Controlling a device connected via USB
You can play music in a device connected to the
USB jack of SRS-X9.
* Depending on the country and region, music services and
their period of availability may differ.
A separate registration is required for certain services. An
update of the device may be required.
What you can control with "SongPal" varies depending on the
connected device.
The specification and design of the app may change without
notice.
24
GB
Device Select
Select a "SongPal" compatible device.
Settings of the
connected device
Various sound/network
settings are displayed.
This menu can be
displayed from any
screen by flicking right.
Home screen
Displays the functions of the
selected device, music services,
and apps installed on your
smartphone/iPhone.

Refer to "SongPal" Help for more details
http://rd1.sony.net/help/speaker/songpal/
Mini player
Controller for the
selected function