ITEM NAME:Dual Electronic Ceiling Speakers Waterproof Speakers Car speakers Description: Ceiling speakers with composite speaker drum paper, sealed design, environmentally friendly ABS material, dust cover, making it a cost-effective speaker Built-in high-power 2.75-inch aluminum and boron speakers and 220uF Japan horizontal split capacitor,BASS,ALTO,HIGH,three kinds of sound quality Wide range of applications.Applicable to the bedroom, yacht, car and other small space Anti-rust dust and moisture,waterproof,heat resistant,applicable to a variety of environments ABS environmentally friendly materials, give you a healthy life Specification: Material:ABS Plastic Single Size:Approx.130*130*90mm/5.12*5.12*3.54inch Rated power:15W DB:87 Impedance:4ÃŽ © Diameter:132mm/5.2inch Mounting Depth:72mm/2.83inch Hole Size:100mm/3.93inch Package Includes: 2 Pieces Waterproof Speakers.2 Pieces Waterproof Speakers. Wide range of applications.Applicable to the bedroom, yacht, car and other small space.