Feature: 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. Specification: Item Type: Stereo Mixer Model: MIX 10 Material: Aluminum Alloy Supply Voltage: DC5-12V 5V Power Supply Quiescent Current: About 270ma 12V Power Supply Quiescent Current: About 103ma Input Output Jack: 3.5mm Amplification: 2 times(6db). Package List: 1 x Stereo Mixer1 x Power Cable