Microphone (MIC) Connect a microphone having an impedance between 250 and 600Ω. Fully insert the TS-2000 TS-2000X connector, then screw the retaining ring clockwise TS-B2000 until secure. Compatible microphones include the GND (STBY) MC-43S, MC-47, MC-52DM, MC-60A, MC-80, MIC GND...