Feature:1. Support stereo mixing output, support four input and one output mixing output, support independent volume adjustment for each channel2. No need for power supply, suitable for outdoor performances, very convenient to use3. Come with all metal shell, more anti interference, guarantee good sound quality4. Equipped with 4 stereo inputs and 1 stereo output, 4 independently adjustable 100k ohm potentiometers5. Audio signal effect equipment can be used to connect mixer output or other output devices, very usefulHow to Use:No battery or other power source required, the device can also be used as a 1 in 4 out stereo splitter, turn CW to adjust.Specification:Item Type: Stereo Mini MixerMaterial: MetalColour: Black, whiteProduct Output: Used to connect mixer output or other output device productsProduct Connector: RCA connectorIn1-4: Control the signal level of input 1-44 stereo inputs and 1 stereo output4 independently adjustable 100k ohm potentiometersInput Impedance: 10K ohm to 47K ohmOutput Impedance: 2.5K ohm to 10K ohmGain: -12dB maximum Package List:1 x Stereo Mini Mixer1 x User Manual