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EAR-200 [ Electro Acoustic Receiver ]
Used to locate sources of acoustic leakage, the EAR allows "before and after" comparisons to determine the effectiveness of the noise masking, and connects easily to recorders, spectrum analyzers, or other test equipment for more detailed analysis.

The EAR-200 is intended for training and test purposes only, and is not to be used in a surreptitious manner.


  • Size: 1 x 2-3/8 x 3-3/4 in (2.5 x 6.0 x 9.5 cm)
  • Weight: 2.2 lbs (1 kg)
  • Power: 9 V battery