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 designed for customers who have several audio sources and outputs, very suitable for debugging equipment and comparing audio sourct or making contrast between power amplifiers and active speakers. Proper size with attractive appearance, can be placed anywhere on your desktop to make it tidier, very suitable for the bloggers who have more than 2 blog accounts or the game players who need to switch between computers and PS4 or the audiophiles who have lots of HiFi audio deivces etc. Parameters Audio input / output: 3.5mm (TRS) + 3.5mm(TRRS) TRRS interface: to connect the headsets that with microphone TRS interface: to connect headphone and micrphone separately Microphone impedance: 2.4-10K ohm Operation mode: 3-IN-2-OUT / 2-IN-3-OUT Volume Control: only control stereo output (excluding Microphone) Microphone mute function: support Channel select switch: support Working mode: passive (no need for power) Dimensions(W*D*H): 150*119*40mm / 5.91*4.69*1.57in Package dimensions(W*D*H): 230*180*80mm / 9.06*7.09*3.15in Net weight: 300g / 0.66lb Package weight: 400g / 0.88lb Warm tips Different kinds of headphone (without micrphone) and headset (with microphone) with different connections and should be connected to correct interface, please refer to the connection diagram. MC1034 can be used as a pure audio switcher, supports 3-IN-2-OUT and 2-IN-3-OUT working mode, but the volume control only can work normally in 3-IN-2-OUT mode. MC1034 can only connect one microphone when working in 2-IN-3-OUT, because the separate TRS interface doesn't support micophone input. Packing List 1*MC1034 Audio Switcher 3*TRRS AUX Cable 1*TRS AUX Cable