1st & 2nd Gen: Scarlett Solo | Scarlett 2i2 | Scarlett 2i4

• No, these devices are not compatible with Scarlett MixControl or Focusrite Control. All of the controls for these devices are hardware-based instead (i.e accessible from the front panel of each device).
• To change buffer size and sample rate go to the audio preferences in your DAW (Mac) or open the ASIO Control Panel application on your Windows PC.

3rd Gen: Scarlett Solo | Scarlett 2i2 | Scarlett 4i4

• Yes, Focusrite Control is required for these devices. Focusrite Control can be downloaded from your Focusrite account, or from the main downloads page (select the correct product from the drop-down list i.e Scarlett Solo 3rd Gen, Scarlett 2i2 3rd Gen, etc).