Feature:1. DUAL INPUTS AND OUTPUTS: Stereo mixer can be connected to two different sound sources at the same time, mixing the output, suitable for a variety of application scenarios.2. HIGH CURRENT OP AMPS: 2 way sound mixer adopts imported NJM4580 and NJM4556A high current op amps, low noise and stable performance.3. VOLUME CONTROL: Portable sound mixer can control the volume by adjusting the input, easy to operate and adjust.4. MULTIPLE INTERFACES: 2 in 2 out sound mixer supports 3.5mm stereo socket, convenient to connect multiple devices.5. HIGH COMPATIBILITY: Stereo sound mixer can be connected to two headphones or two amplifiers at the same time to meet different user needs.Specification:Item Type: 2 In 2 Out Sound MixerMaterial: PCBPower Connector: 5.5X2.1 Input Voltage: DC5V-20VCurrent:1A (Power Supply Is Not Included, Must Be Self Matched)Static Current: 15maAmplification Gain: 6dbInput Connector: 3.5MM ConnectorOutput Connector: 3.5MM Connector.Package List:1 x2 in 2 Out Sound Mixer