This is a Yamaha MG12XU 12-channel mixing console.
•This mixer features 12 input channels, including four mono microphone/line inputs and four stereo line inputs.It includes a USB audio interface capable of 2-in/2-out operation at 24-bit/192kHz resolution.
•The unit is equipped with Yamaha’s SPX digital effects processor, offering 24 editable effects.
•It features discrete class-A "D-PRE" microphone preamps with an inverted Darlington circuit