Sennheiser MKE 40-ew

Type: Condenser Lavalier Microphone
Frequency Response: 40 Hz to 20 kHz
Polar Pattern: Omnidirectional
Sensitivity: 10 mV/Pa
Impedance: 1 k?
Maximum SPL: 130 dB
Connector: EW Series Connector (for wireless systems)
Cable Length: 1.2 meters (standard)
Power Supply: Phantom power (for wireless systems)