MW-25 - Wall-contact stethoscope for eavesdropping through the walls

The MW-25 stethoscope wiretap is compact device for eavesdropping through walls. The sensitive needle microphone enables the reception of sound and conversations over a wide frequency range. The 10-step adjustment allows you to smoothly adjust the sound to the optimal level. The sound amplifier, apart from the headphone socket, is also equipped with a socket for connecting a recorder to archieve the material. 

Specification

Amplifier

2.5mm input for connecting microphone
3.5mm output for connecting headphones
3.5mm output for connecting recorder
Adjustment - 10 levels
Robust shockproof housing
Working time approx. 70 godzin
Power supply 1x 9V battery ( 0006P / 6LR61 - alkaline ) 
Working temperature -20°C ~ +50°C
Dimensions 87x55x21mm
Weight 116g

Microphone

Sensitive needle microphone 
Working temperature -20°C ~ +50°C
Dimensions Φ32x18mm , kabel 100 cm
Weight 48g

Inbox

MW-25 - Wall-contact stethoscope
  - Amplifier
  - Microphone
Headphones
User manual