Model: AM-228Color: BlackMaterial: MetalInput: 6.35mm InterfaceOutput: 6.35mm InterfaceFeatures:Audio mixer with 8 channels input and 2 channels output.Each input channel can be adjusted volume individually.With 2 master volume knobs for controlling the output volume.Support MIC or LINE(4ch stereo & 8ch mono) input by adjusting switches.Compact size and metal shell, lightweight and durable.Dual power supply: power adapter(Included) and 9V battery(Not included).Note:The battery is not included.You need to open the bottom cover with a screw to install battery.Package List:1 * Mixer1 * Power Adapter1 * CablePlease Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Please refer to the actual product received. Thank you!Due to the manual measurement and different measurement methods, Please allow slight dimension difference . pls make sure you do not mind before you bid.