The DSP503 is a ceiling 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.
The built-in 4.5” speaker driver is designed of wide frequency response (60-20,000Hz), the multiple terminals 1.5W, 3W & 6W can be applied to different occasions vary in area sizes and background noises; It is made of high quality engineering plastic, with long-term durability, and will never be out of shape or fading; Spring clip clamp ensures the easy and secure installation; waterproof, long life, with clear and sonorous sound.
It is an ideal choice for industrial and commercial applications in hotel, school, office and factory where background music and paging is needed.