Alctron XOX M400 Microphone

SPECIFICATION :

Polar Pattern      Cardioid

Frequency Response 30Hz~20kHz

Max. Input SPL   125dB (at 1kHz 0 dB T.H.D.≤1%)

Output Impedance     350Ω±30%

Load Impedance       > 1200Ω

Power Supply     1.5V AA battery