Feature 1INPUT AND OUTPUT: When 1 input is used, the two outputs are the same. When 2 inputs are used, the output will be mixed sound effects, different sound sources can be input. 2MAGNIFIER DRIVER: The first stage operational magnifier is NJM4580, and the second stage driver is NJM4556A, with high operating current and stable low noise. 3GOOD COMPATIBILITY: Input compatible with DVD, CD, MP3, TV, phone, computer, electronic instrument, etc., output compatible with speaker, rear magnifier, headset, etc. 4EASY OPERATION: The audio magnifier has a simple structure, convenient to operate, no need to install special software, applications or drivers, plug and play. 5ALUMINUM ALLOY: The audio mixer shell is made of aluminum alloy, light and durable, corrosion resistant, with good heat dissipation effect and long service life.SpecificationItem Type: Mini Audio MixerProduct Model: AU 202Material: Aluminum AlloyInterface: 3.5mmOperational Magnifier: For NJM4580Driver: For NJM4556AAdapter Voltage: 100-240V .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Audio Mixer1 x Adapter