Application:Applied to mini box speakers, music player, doorbell, computer, multimedia speakers, etc.It's suitable for all kinds of sound source fabrication, the sound is clear and melodious without distortion. Specifications: Rated Power: 2WImpedance: 8 OhmMagnet Diameter : 13 mm / 0.51 inchSize: 23 x 5.5 mm / 0.91 x 0.22 inch (Dia * T) Package Includes:4 x Stereo Speaker