1、DUAL OP AMP: Using 13 dual operational amplifiers, built in power boost conversion module, to ensure the isolation of the channel, the signal is large and dynamic without distortion. 2、3.5MM JACKS: Both input and output are 3.5mm stereo jacks, 2 way outputs work at the same time, and can be connected to audio equipment such as headphones or amplifiers. 3、INPUT AND OUTPUT: 10 simultaneous input, 2 simultaneous output, can also choose one of them, each channel volume can be adjusted independently, the amplification gain is 2 times (6db). 4、ADJUSTABLE VOLUME: Each channel volume can adjust the most suitable frequency to improve sound quality, perfect for your karaoke, home theater and audio sound system, etc. 5、ALUMINUM ALLOY: This stereo mixer adopts aluminum alloy shell, which is lightweight and corrosion resistant, stereo switch box, with lossless signal and less interference.