Rated power: 15W Rated impedance: 4ohm Speaker diameter: 30mm Diagonal screw diameter: 39mm Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use. Colour:black Material:plastic+metal Package Contents: 2 x Tweeter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.