Little Bear MC1034 Portable 3-way 3.5mm AUX Switcher Box Headphone / Speaker Audio Selector for Microphones

Warm Tips Compatible with most audio devices, but cannot guarantee 100%. If there exists common ground noise, please add an isolation module between MC1034 and your device. Features MC1034 audio selector box supports to switch headphone / microphone / speaker among several devices, no need to plug in and out audio cables repeatedly. With channel selection knob and volume control, and a special knob that mute / unmute microphone but keep the headphone / speaker output normally,  very convenient to use. Full function interfaces of separate TRRS and TRS are designed to satisfy different kinds of headphones or headsets, amplifiers or speakers, and equipped with 3PCS TRRS cable and 1PC TRS cable. Adopting full isolation circuit, each channel is fully independent to avoid common ground noise. Passive circuit design, no need for power or any installatin, plug and play. MC1034 also can be used as a pure audio switcher, can work in 3-IN-2-OUT / 2-IN-3-OUT mode, specially desi