Audio Crossover: Two-Way Communication: AUX Speaker Type: Bookshelf Channels: 2 (2.0) Power Source: AC Type: 44mm plane vibration speaker Dimensions: Diameter x high = 44mm x 16.5mm Impedance: 8 ohms Power: 10W MAX Power:20W weight: 60 g/1pcs color:Photo color Material:Metal Package Contents: 1 x Speaker Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real . The measurement allowed error is +/- 1-3cm.