This is an analog mixer with a USB audio interface and built-in effects. - Operation has been confirmed. - There are a few minor scratches on the back, which are not very noticeable. - AC adapter only included. ※Output (playback sound) from the PC automatically goes into input Ch 7 & 8 of the mixer. If you need a loopback function, set "Inputs 1+2" to "Mix" from the Soundcraft official control software. (Turn off the PC's playback monitor function (through output)). Thank you. -------------------------------- 8-channel analog mixer with Lexicon effects and USB connectivity. - Model Name: Notepad-8FX - Number of Input Channels: 8 channels - USB Connection: 2x2 USB (up to 48KHz/24bit) - Phantom Power: 48V - Effects: Lexicon effects - Output Type: XLR output Thank you for viewing.