Specifications:Output Power(RMS): Subwoofer 25W; Satellites:Front/Rear 15Wx4; Cent 15WSpeaker Driver: Subwoofer 5.25"; Satellites:Front/Rear 3"x4;Cent 3"Dimension(mm): Subwoofer 220x258x280; Satellites:Front/Rear 110x190x180; Cent 110x130x190Frequency Rang: Subwoofer 45-180Hz; Satellites 150-18KHzS/N:68dBSeparate:45dBSeparate AmplifierWith remote control