300 m broadcasting distance drone loudspeaker

{"cid":"91224379","title":"25W Drone Speaker System 130dB Drone Speaker Megaphone Small","imgUrl":"https:\/\/img.chinax.com\/nimg\/fa\/a5\/af7539b43f167b4907e149f6572a-200x200-1.jpg","attrs":{"Brand Name":"AOISUN","Model Number":"MP130","Minimum Order Quantity":"1","Delivery Time":"2 week","Payment Terms":"L\/C,D\/A,D\/P,T\/T","Packaging Details":"case","Name":"Drone Speaker System","Model No":"MP130","Weight":"550g","Size":"140*140*125 mm","Power":"25W","Working temperature":"-20~40","Pitch control angle":"0~90 \u00ba","waterproof level":"IP43","payload interface":"DJI SKYPORT","Maximum volume":"130dB","Maximum Voice transmission":"300M"}}

{"cid":"91220064","title":"MYUAV Tethered DroneIP4X Tethered Drone Payload Automatic Ultra Large Payload Drones","imgUrl":"https:\/\/img.chinax.com\/nimg\/c9\/e1\/33f38174cb8973920a28894bc68a-200x200-1.jpg","attrs":{"Price":"600usd","Brand Name":"myuav","Model Number":"H150","Minimum Order Quantity":"1","Delivery Time":"7 working days","Certification":"H150","Place of Origin":"China","Payment Terms":"T\/T","Packaging Details":"case","Electrical interface":"DJI Skyport v2","Size":"150 x 125 x 134 mm","Protection level":"IP4X","Support model":"Matrice 300 RTK","Maximum power consumption":"15W","camera":"Resolution 500W pixel","Code format":"H264","Angle shaking":"amount \u00b1 0.1 \u00b0","Controlled rotating range Pay":"-90 \u00b0 to 0 \u00b0","Work temperature":"-10 \u2103 to 50 \u2103","Storage temperature":"-20 \u2103 to 60 \u2103"}}