Muslady MH400 Ultra Low-Noise 4-Channel Line Mixer Mini Audio Mixer with 1/4-inch TS Inputs & Output Volume Control for Guitars Bass Keyboards

Features:
Mix 4 audio inputs--audio mixer can connect 4 devices(like keyboard, instruments, etc.) to 1/4-inch TS connectors, mix down 4 signal inputs into 1 signal output.
Adjust the volume--each channel input has its own volume adjustment; rotate rotary knobs to easily control volume level.
Adopt good material--made of metal housing, it is solid, durable; black coating resists rust; there are non-slip silicone pads on the bottom.
Take it to anywhere--lightweight and compact audio mixer, smaller than the palm, saves space, allows easy carry.
Offer high sound quality--featured with low noise operational amplifying circuit, it performs well, delivers clear sounds with no distortion.