Transducer means:
1) 16MM backplane capacitance
2) Directivity: Cardioid
3) Frequency Response: 28HZ - 15KHZ
4) Sensitivity:-44db ± 2db
5) Gain ≥ 100DB
6) Equivalent noise level: ≤ 20dB (IEC 581-5)
7) Maximum SPL: 120dB (at 1kHz 0dB THD ≤ 1%)
8) Output Impedance: 330Ω ± 30%
9) Load Impedance: ≥ 900Ω