Description

Using Israel imported chips and several noises reducing process   Voice clarity, Waterproof microphone and rain shield.  Apply to all outdoor occasions.

Parameter

Voltage: DC 9-12V Electric current: 20MA Output impedance: 600 ohm Transmission distance: 3000 meters Frequency: 200~8K HZ Signal-noise rate: 60db Directivity：Omni-direction Connecting way: red (DC) white (RCA) Suit for park, bus station, public square, community and other outdoor occasions