18 in 20 out USB Audio Interface, Scarlett 18i20 4th GenUpdate April 2025: Scarlett 4th Gen just got more powerful16 channels of ADAT I/O, monitor groups, and more! Scarlett 18i20 now features 16 channels of ADAT I/O, allowing users to expand from eight inputs and outputs to a total of 16 additional inputs and outputs at 44.1/48kHz over ADAT enabling a total of 24 inputs and 28 outputsperfect for live sessions, large recordings, and I/O-heavy setups.In addition, Monitor groups are now available across 16i16, 18i16, and 18i20, making multi-speaker setups, including 2.1 and 5.1 surround, easier to manage.For 18i20 users, Multi-channel Auto Gain is now accessible via the Focusrite Control 2 mobile app, allowing users to stay focused on the performance with fewer trips to the computer.Users can unlock these new features by connecting their interface to their computer and updating Focusrite Control 2. The ultimate Scarlett Scarlett 18i20 is the industry-leading USB audio interface fo