SUPR-107 pinhole type sound monitor

Built-in digital processing circuit and multistage dynamic noise reduction processing

Clear voice, low noise

The echo eliminates technology and Reduce the empty room echo.

Pinhole type design, convenient hidden installation

AGC automatic gain circuit

Monitor range: 10~50 square meters.

Apply to public security organs, trial, supervisor of the warehouse, divisions, police station, telecommunications, bank Treasury departments

Voltage: linear power supply (transformer) DC9-12 v

Electric current: 20MA

Frequency range: 100-100 KHZ

Output impedance: 600 ohm non equilibrium

Transmission distance: 3000 meters

Directivity：Omni-direction

Signal-noise rate: 60db

Sensitivity: -40db

Connecting mode: red (power+) black (public) white (audio+)

Apply to video recorders such as sea kang, dahua, hanbang.