Use our Surface Microphone to listen for faint sounds through virtually any solid surface. It will amplify vibrations through concrete, glass, steel, etc. with exceptional clarity. The probe features a built-in contact element and has an internal automatic gain control that does not need constant adjustment. The Surface Microphone is designed to convert minute vibrations to voice band audio that can be received by headphones or secondary measurement equipment.

Specifications:

• Internal automatic gain control
• Built-in contact element
• Connects to any standard tape recorder
• Recorder output is compatible with audio spectrum analyzers
• Uses 9V battery
• Size: 1 x 2.4 x 3.8”

Includes:

• Earphones
• Carrying case
• Instruction manual