Kolla i About this Mac/More info och kolla under Hardware och se om du hittar Audio (Built-in). Kopiera den texten och klistra in här. Så här ser det ut för mig där:
Built In Sound Card:
Devices:
Texas Instruments TAS3004:
Inputs and Outputs:
Line Level Input:
Controls: Left, Right
Playthrough: No
PluginID: TAS
Headphones:
Controls: Mute, Left, Right
PluginID: TAS
Internal Speakers:
Controls: Mute, Master
PluginID: TAS
Line Level Output:
Controls: Mute, Left, Right
PluginID: TAS
Crystal Semiconductor CS84xx:
Inputs and Outputs:
S/PDIF Digital Input:
Controls: Mute
Playthrough: No
PluginID: Topaz
S/PDIF Digital Output:
Controls: Mute
PluginID: Topaz
Formats:
PCM 16:
Bit Depth: 16
Bit Width: 16
Channels: 2
Mixable: Yes
Sample Rates: 32 KHz, 44.1 KHz, 48 KHz
PCM 24:
Bit Depth: 24
Bit Width: 32
Channels: 2
Mixable: Yes
Sample Rates: 32 KHz, 44.1 KHz, 48 KHz
AC3 16:
Bit Depth: 16
Bit Width: 16
Channels: 2
Mixable: No
Sample Rates: 32 KHz, 44.1 KHz, 48 KHz