Parameters Audio input / output: 3.5 mm (TRS) + 3.5 mm (TRRS)
TRRS interface: to connect the headsets that with microphone
TRS interface: to connect headphone and microphone 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 * 1.57 in
Package dimensions (W*D*H): 230*180*80mm / 9.06 * 7.09 * 3.15 in
Net weight: 300g / 0.66 lb
Package weight: 400g / 0.88 lb Warm tips Different kinds of headphone (without microphone) 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 microphone input. Packing List 1*MC1034 Audio Switcher 3*TRRS AUX Cable 1*TRS AUX Cable