Specifications:

TypeBuilt-in Battery
Housing MaterialDie-cast Zinc Alloy Housing
DirectionalityCardioid
Sensitivity-52dBV/Pa (0dB=1V Open Load Voltage)
Frequency Response50Hz~18KHz
Self-Noise25dB SPL (A-Weighting)
Maximum SPL≧135dB using 1.5V battery, ≧145dB using 3.6V lithium battery
Dynamic Range≧110dB using 1.5V battery, ≧120dB using 3.6V lithium battery
S/N Ratio69dB at 94dB SPL (1Pa)
Power SupplyA Built-in AA Type Battery
Current Consumption250μA
Output Impedance600Ω
Weight265g / 9.3oz

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