The DSP507 is a wall mounted 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 (250-9,000Hz); it is made of high quality engineering plastic, light weight, with long-term durability, and will never be out of shape or fade; with waterproof driver, 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.
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