User Manual
Getting Started with Audio Software 
Select Symphony for Mac System Sound Output 
To ro u t e   a u d i o   f ro m   g e n e r a l   a u d i o   a p p l i c a t i o n s   s u c h   a s   i Tun e s   a n d   S a f a r i   t h rough Symphony I/O, it m u s t   b e   s e l e c t e d  
as the output device in Mac System Preferences. 
Make sure you have already installed the most recent Symphony I/O Mk II Software from the Apogee website before 
proceeding. 
1.
Click the  icon in the 
upper-left corner of your 
Mac’s display. 
2.
 From the drop-down 
menu, select “System 
Preferences…” 
3.
 In the System Preferences control 
panel, select “Sound” 
!  
4.
At the top of the Sound Preferences 
panel, select the “Output” tab 
!  
5.
Under “Select a device for sound output:” click Symphony I/O Thunderbolt. "
By default, Symphony I/O’s analog outs 1-2 will be selected!
SYMPHONY I/O MK II - USER’S GUIDE Page 13










