DLOETT Mini 4 Channel Stereo Line Mixer 4out 1in for Live Studio Recording Portable Passive Analog Audio Sound Mixing Console Low Noise

works without batteries or external power supply, and is easy to carry and use anytime, anywhere. Provides the highest sound quality even at maximum output levels. Featuring 1 3.5mm inputs and 4 3.5mm output, the Stereo Mixer is capable of mixing signals from CD players, musical instruments, portable recording equipment, video playback equipment, and more. 4 main output volume knob and 1 independent input volume knobs, the 4 outputs do not interfere with each other. Small and sophisticated, the passive circuit design does not boost or degrade the audio signal.