New and in original packaging, Astrocom Electronics H-143A/AIC P/N 11414A Military Immersible Speaker. In stock and ships in 1 to 2 business days. Sold individually. 

These work great as replacement for blown out speakers or as custom solutions for connecting to ICS systems that may get wet. These are 19 ohm units and work with most NATO solutions. 

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
Overall Diameter 1.980 inches
Earphone Depth 0.480 inches

Order & Lead Time

These are sold individually and are in stock ready to ship right away. 

Cage: 81349
NSN: 5965-01-094-6602