Maximum Power Per Channel: 100WModel Number: ZK-MT21Channels: 3 (2.1)size:93 x 90 x 22mmMaterial:plasticcolour:blackPackage Contents:1 x 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