
You could instead select the other "USB Audio Codec" for Playback Engine, but then you would only get input - no output (fine if you just need to capture something without monitoring then switch back to the other to play back). (Still might need to Default your I/O in the Input and Output tabs.) So try launching Pro Tools with N and select Pro Tools Aggregate I/O for your Playback Engine. Pro Tools Aggregate I/O gets around this limitation by allowing you to combine the Input and Output of your CoreAudio device to treat it as one. If you are selecting "USB Audio Codec" then that is either just the Input or just Output of your Alesis (sounds like the latter based on your problem). Amazon Renewed Refurbished products with a warranty. Pro Tools can only have 1 "device" as its Playback Engine. Download Alesis MultiMix 8/16 USB 2.0 Driver 2.8.12 Sound Card The Alesis MultiMix USB 2.0 mixers provide USB 2.0 technology for ultra fast, low latency, 24 bit/44.1 96kHz with high end A/D and D/A conversion multi channel audio recording straight to your computer. I have attached another screen shot to show what I see. I do have USB CODEC selected as the Playback engine. I know there are a lot of people like me, who love this mixer and do not.

ALESIS FIREWIRE MULTIMIX 8 DRIVER DOWNLOAD - The details can be easily found online This is the original zip file I downloaded from Alesis on the 8th of April 2012 despite their claims to the contrary. I initially DID have to start with the N key down because I was getting the prompt that the I/O was not recognized (or something like that). ALESIS MULTIMIX 4 USB DRIVER FOR WINDOWS.
