Creative 2.1ch stereo speakers SBS A120 Black SP-SBS-A12R2 Front Speaker 2.5W RMS  2 channel / subwoofer 4W RMS / Frequency response: 50Hz ~ 20kHz Input terminal line input cable (Rear of the subwoofer): 3.5mm stereo mini plug Output terminal satellite speakers  2 output terminal (Rear of the subwoofer): pin plug Controller: Power switch (Rear of the subwoofer) / volume control (line connection cable) Package Contents: satellite speakers  2 / subwoofer (power cable) / Remote control integrated line connection cable