Output power: 15W+15W Bass: 30W Low frequency response: 20hz-200hz Chip type: TDA2030 colour:Main color blue Material:ABS+ metal size:10.8*8.3*5.7cm Package Contents: 1* Amplifier Board Only the above package content, other products are not included. Note: Light shooting 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.