Wi Digital Systems AudioStream Pro AV Owner's Manual page 61

Wi SmartMic SG Shotgun Mic Lavalier Technical Specifications
Omnidirectional Capsule Lavalier Specifications
Frequency Response:
Operating Current:
Operating Voltage:
Sensitivity:
Maximum SPL:
Output Impedance:
Capsule Type:
Element:
Polar Pattern:
20Hz to 20kHz
Less than 500uA
0.8V - 5V DC
-32dB+/-4dB/Pascal
140 dB SPL max
2KΩ±30%
3.1mm Capsule
Back Electret Condenser
Cardioid (Unidirectional)
OPTIONAL SHOTGUN MIC SPECS
61