Download Release 5 here.


16x and Rosetta series users, please consult the Legacy Interface Release Notes.


Who should update?

Users running or upgrading to OSX 10.10 Yosemite
New Users setting up their Symphony system for the first time
Users on 10.8.5 or 10.9.5 who would like the new Features and bug fixes
NOTE: Symphony Users who are currently running 10.8.4 or lower and don’t plan to update their OSX should not update to Release 5
New Features
Compatibility with Mac OS X Yosemite and Mavericks (10.10 and 10.9)
with continued support back to OSX 10.8.5
Up to 3 Selectable Speaker Sets can be toggled and controlled from Maestro
Command-click lets you enable multiple speaker sets at the same time
Dim functionality for Main Outputs and Headphone outputs
Sum To Mono functionality for Main Outputs and Headphone outputs
Various bug fixes


Before you update

  • Please note critical Maestro settings such as Trim levels before performing a firmware update.Parameters will be reset after installing new software.
  • Unplug headphones and mute speaker volume before updating firmware.


To update


After updating – After updating, verify the following settings;

  • Audio Interface Mode – press and hold the right hand encoder to verify that Symphony I/O is set to the desired audio interface mode.
  • If using the Symphony 64 card, verify that the Symphony Source setting (found in the Maestro 2 > System Setup tab and Audio MIDI Setup) is set to the appropriate Symphony 64 Port setting:

! ! If interfaces are connected only to Port 1, set Source to Port 1: 32ch.
! ! If interfaces are connected to both Ports 1-2, set Source to Port 1-2: 64ch.

  • Check that Output settings such as Speaker setting and level and headphone level and mute are set as expected.