Factory direct smart in-car microphone ads hawking megaphone recordings 120 seconds

  Technical parameters

最大功率： 25 W 失真度： 5% MAX                           

传送距离：（顺风） > 500M                    工作电压： DC12V

频率响应： 100HZ---10KHZ                    录音时长： 120 秒

尺寸：约 133MM （口径） *133MM( 长度 ) 重量 :0. 8KG
≫>> intelligent control, functional, usingCLASS ddigital module, low effectiveness high efficiency         

≫>> portable microphone design, for even more convenience,using high-end chip, play sound clearer,without the card, built-in120-second recording
>>>overvoltage protection, Protection up to80,this product is suitable for shops, automotive, motorbikes, stalls, occasions such as the selling of goods. 
≫>>red line positive, black anode
>>>springs