Item Type: Stereo Audio Mixer_x000D_Product Material: ABS, aluminum alloy_x000D_Power Supply: DC 12V_x000D_Interface: 3.5mm 1INDEPENDENT CONTROL: Adopt for BA3121 chip isolation scheme, with 2X gain, lossless sound quality, can control the volume of each channel independently. 2NOISE REDUCTION: Suitable for audio output and input of multiple computers, and can effectively eliminate the noise generated by the common ground. 3EASY OPERATION: This audio mixer easily switches between different audio inputs or outputs using dedicated audio rotary switches or lossless devices. 4METAL SHELL: Using aluminum alloy shell, which has light weight, corrosion resistance, good heat dissipation, less interference and long service life. 5EASY TO CONNECT: The dual channel audio splitter has standard 3.5mm interface, and the output can be directly connected to headphone or audio amplifier. 1 x Audio Splitter 4 x Audio Cables