YPA MM3 HEADSET MICROPHONE FOR SENNHEISER
Color:Tan or black
Weight:  18 g
Cable's length:  1.2 m 
Frequency response:  20 Hz to 20 kHz 
SPL:  max. 130 dB 
Supply voltage:  1.5 to 10 V
Impedance:  1 kΩ 
Sensitivity:  -42 dB 
C4SE Connector For SENNHEISER Wireless Microphone Systems
SENNHEISER Evolution/G2, /X2 Digital Wireless Systems