1) 16MM backplane capacitance
2) Directivity: Cardioid
3) Frequency Response: 25HZ - 12KHZ
4) Sensitivity: -46db ± 2db
5) Gain ≥ 90DB
6) Equivalent noise level: ≤ 20dB (IEC 581-5)
7) Maximum SPL: 100dB (at 1kHz 0dB THD ≤ 1%)
8) Output Impedance: 300Ω ± 30%
9) Load Impedance: ≥ 800Ω