Wireless receiving sound column 3D-80

Transmission equipment TX-802

32 channel RP206 network fire alarm terminal

Network Multimedia Teaching Speaker T-7707B

Bihang XD-30

Transmission equipment TX-100

4G receiving device TYN3D-01

IP External Waterproof Sound Column - Engineering Type IP705

Transmitter TX-100

Network Multimedia Teaching Speaker T-7707C