Possible Duplicate:
New Sound Devices Show up in Hardware But not Input or Output
I have USB Speakers that used to work with Ubuntu. In 12.10 I can see them through lsusb...
Bus 006 Device 006: ID 0e6a:0310 Megawin Technology Co., Ltd
... And I can see it in the "hardware" tab in the sound menu...
... But I can't select them in the Output tab.