Specification:

The DSP161HD is a waterproof horn speaker with a 70v/100v transformer built in. The 70v/100v transmission is realized in a high-voltage, low-current mode, which makes longer distance transmission and parallel connection of multiple loudspeakers possible.
This speaker is designed of wide frequency response (250-15,000Hz); It is made of high quality materials, which ensures long-term durability, and will never be out of shape; Waterproof, suitable for outdoor use; Equipped with brackets for installation; Driver surround excellent damping, long life, clear and sonorous sounds.
It can be applied to different occasions vary in area sizes and background noises, such as station, park, school, square, military camp, industrial park, etc.