Feature:1. This is a mixer with the highest sound quality. There is no hum and audible noise in the system, and a very transparent and smooth sound flow, even at the maximum output level.2. The mixer has an ultra compact single mixer with 4 input channels and 1 channel output line. You can mix various audio sources or instruments into one channel, and then enjoy the reverberation you make.3. The volume of each input channel of the mixer can be adjusted independently, and it is still stereo rather than mono, which can bring you a beautiful and pleasant experience when you use it.4. Heavy duty metal shell structure mixer, the knob adjustment is also very firm, the small size is very suitable for the top of your keyboard, you can quickly and easily adjust the monitor mix.5. The versatility of simplified settings the modern designed mixer looks great on any desktop. The large controls are easy to use and low key to avoid getting entangled in wires, clothes, etc.Specification:Item Type: Sound MixerMaterial: MetalColour: Black and WhitePower Supply: External Power Supply 12V 150mAhInput Impedance: Minimum 4.7KOutput Impedance: About 80Plug and Voltage: US Plug AC100-240V.Package List:1 x Sound Mixer1 x User Manual1 x ChargerNote:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.