The CMS5/TDC is a coaxial ceiling speaker built-in 70v/100v transformer. The 70v/100v transformer technique reduces line losses on longer distance and allows easy parallel connection of multiple loudspeakers. The built-in 5”+1.5" coaxial speaker driver is designed of wide frequency response 110-18kHz, the multiple power taps 1.5W/3W & 6W are helpful for dierent applications varies from room size and ambient noise surroundings. The aluminum grille and metal bae are painted in attractive white color. Its spring clamp makes the easy and secure installation. It is ideal choice for industrial and commercial applications in hotel, school, oce and factory where background music and paging is needed.