I'm selling this because I replaced it with a new one. Includes the main unit and the outer box. Power-on tested. Brand: Steinberg Compatible Devices: Tablets, Laptops, Computers Supported Software: ASIO, Core Audio, WDM Connectivity: USB Number of Channels: 2 Frequency Response: 192 KHz Entry-level model that achieves a 24bit/192kHz high-resolution audio environment Front: Equipped with one high-quality microphone preamplifier "D-Pre" and one phone jack (Hi-Z dedicated) for guitar/bass input. Rear: RCA terminals for output. Loopback function convenient for streaming. Power: USB bus power/DC5V (USB AC adapter)*5 Includes a download version of Cubase AI, which supports 24-bit/192kHz Supports 24-bit/192 kHz, major DAW software, and iPad/iPhone connection (Apple iPad Camera Connection Kit or Lightning - USB Camera Adapter is required to connect the iPad and the UR12). Connectors: MIC (XLR connector) x 1, Hi-Z x 1, LINE OUTPUT (RCA) x 2, PHONE x 1, USB 2.0 port x 1, 5-pin microUSB port Accessories: TOOLS for UR12 CD-ROM, Setup Guide (with warranty), CUBASE AI DOWNLOAD INFORMATION (paper), USB cable Required Memory: 2GB or more