Type: Dynamic Frequency Range: 100 - 5000 Hz Sensitivity: 102 db min @ 1KHz re 1 MW RMS Impedance: 19Ω @ 1 kHz Distortion: ≤ 3% @ 100 - 2000 Hz; ≤ 5% @ 2 - 5 kHz Altitude Compensation: 70,000 feet Temperature Range: - 55 ºC to 85 ºC Per MIL-PRF-25670/2