Specifications:Output Power(RMS): Subwoofer 8W; Satellites:2.5Wx2Speaker Driver: Subwoofer 4"; Satellites:2"x2Dimension(mm):S170x164x183; Satellites:75x80x165Frequency Rang: 50-200Hz; Satellites:100-20KHzInput sensitivity: 460mVWith touch control panel, and take you great sliding touch control experience like iPod's.A high gloss finished powerful subwoofer with flared port tube combines clarity and detail with clean, strong bass.Modern and stylish art-painting decoration for satellites.