Features list configuration topology illustration project connectivity products name: ceiling speaker products, commonly known as: ceiling speaker model: production status: in the production of power: power: main uses: mainly used in places such as shopping malls, conference rooms, family background music. Matching products: amplifier, acoustic column enclosure product description: specifications: design of rear cover and shell before using one, seamless, and better protect the loudspeaker to emit sound quality! Terminal block on the rear brass binding posts, compared with ordinary terminals, improve product level and quality guarantee! This product is the background music for the enjoyment of the company needs to build new products; in terms of used materials on the, on the sound quality, beautiful, are brand new. Rated power: 10W (MAX10W) frequency response: 20HZ-20kHZ sensitivity: 90DB hole size: 210-215mm color: white double-guard shock protection film and sound quality improvement plays a good role and unique innovations in the industry! Design of rear cover and shell before using one, seamless, and better protect the loudspeaker to emit sound quality! Terminal block on the rear brass binding posts, compared with ordinary terminals, improve product level and quality guarantee! This product is the background music for the enjoyment of the company needs to build new products; in terms of used materials on the, on the sound quality, beautiful, are brand new.