Type: Dynamic Frequency Response: 100 - 3500 Hz Sensitivity: ≤ 105 dBSPL @ 1 kHz re 1 mW RMS Impedance: 1000 Ω@ 1 kHz Distortion: ≤ 5% @ 100 – 3500 Hz Temperature Range: - 55 ºC to 85 ºC Per MIL-PRF-25670/5