Feature 14 In 1 Out: The stereo mixer has four 3.5mm inputs and one 3.5mm output and is capable of mixing signals from CD players, musical instruments, portable recording devices, video playback devices, and more. 2Five Knobs: The stereo mixer works with an external USB power supply, 1 main output volume knob and 4 separate input volume knobs, 4 inputs do not interfere with each other. 3Great Performance: This 4 channel stereo line mixer provides the highest sound quality even at maximum output levels, suitable for studio, small club, stage, bar, etc. 4Compact and Portable: This metal 4 channel sound mixer is light in weight and small in size, making it easy to carry out, does not take up storage space. 5Metal Material: The shell of this mini sound mixer is made of premium metal, which is strong, wear and fall resistance, can be used for a long time.Item Type: Mini Stereo MixerMaterial: MetalWeight: Approx. 269g/9.5ozVoltage Input: AC 100V to 240V, 50/60Hz .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 xMini Stereo Mixer1 x Adapter1 x Specification