IP External Waterproof Sound Column - Engineering Type IP701

Active speaker XG-80

Sound column YZ-50

Lawn speaker TS6210

I3 industrial computer (11.6 inches)

DC constant impedance amplifier LY-201KBT

4G receiving device TYN3D-01

Car mounted wireless speaker SP-100K

Feeder K50-9

Receiver RX-6100