0
votes
0answers
121 views

How to increase MIDI volume?

I connected my MIDI keyboard to my MacBook Pro with Mountain Lion 10.8.2, and its volume is extremely low (even when setting the Track Volume to the maximal 6 dB in GarageBand it is barely audible ...
1
vote
5answers
2k views

Master volume control is grayed out

on my Mac 10.6 (MacBook Pro Late 2009) master volume control for both Line-In built and for external USB Microphone is disabled (grayed out) Nobody really wanted to help what is the reason and how ...
2
votes
1answer
885 views

Multi-output MIDI device disables volume control

When creating either an Aggregate Device or a Multi-Output Device in Audio MIDI Setup and setting it as the default audio output device, the volume control is greyed out and locked at maximum ...