Features 1、Better Effects: When you input dual stereo signals, the audio mixer will output will be the mixed sound with good effects. 2、2 in and 2 Out: Can input or output two different sources at the same time without affecting each other, stable and useful. 3、Reliable Using: NJM4580 first phase op amp and NJM4556A second phase driver, able to connect 2 headphones or 2 amplifiers. 4、Good Materials: Combining premium ABS and aluminium alloy material to ensures lossless signal and anti interference work. 5、Easy to Install: Works stably under DC 5‑19V power supply, and the installation is also very simple, just plug and play. Specification Item Type: Audio Mixer Product Material: ABS, aluminium alloy. Power Supply: DC5-19V Package List 1 x Audio Mixer