EARPHONE, H-87B/U, TYPE II
Type: Dynamic
Frequency Response: 100Hz-7KHz
Sesitivity: 103 +/- 2 dB @ 1KHz re 1mW RMS
Impedance: 15 +/- 2 Ω @ 1KHz
Distortion: ≤ 2.5 @ 100-7KHz
Temperature Range: -55°C to +85°C
Per MIL-DTL-18239
NSN: 5965-01-056-7225 / 5965-00-062-0559