12-channel analog mixer with stereo graphic equalizer for versatile use. - Brand: Yamaha - Model Name: MV12/6 - Features: Stereo graphic equalizer - Number of Input Channels: 12 channels - Output Type: Analog - AUX Sends: AUX 1, AUX 2 - Power Supply: AC power - Connectivity: CD, MD Sound output has been confirmed on INPUT1-12 and ST OUT. Other operations have not been confirmed. Two knobs are broken, and two knobs are deformed. This item is listed as junk due to many scratches. Please consider this item with the understanding that it is a used product. Thank you.