Designed by tascam and frontier design group, the us-224 is our second innovation in interfacing and control for your computer audio and midi system. portable and incredibly affordable, the us-224 connects your audio to your daw software via a usb port that's compatible for both mac and windows computers. it's also the complete solution for your portable recording needs, at a price that won't slow you down. since it's self-powered via usb, you can connect it to your laptop for a complete studio you can take anywhere. the us-224's cool purple control surface gives you more than just mouseclicks for your daw software. like its big brother, the immensely popular us-428, the us-224 gives you real tactical controls like faders, transports, mutes and solos, panning and more. plug in a guitar, mic or keyboard and get two channels of audio i/o in 16 or 24 bit quality, as well as 16 channels of midi i/o. best of all, it's usb...just plug in and go. no cards to install, no need to take your computer apart. the us-224 comes with a custom version of steinberg's cubase le for windows and mac os. with 48 channels of audio and 64 midi tracks, it's a perfect complete setup for anyone getting into the world of computer audio recording.