Speaker Type : USB Computer to Box Material : ABS Plastic Sound Channel : 2.0 channel Adjustment Method : In-line control Speaker Size : 52mm fullrange speaker X2 Input Interface : 3.5mm universal audio interface Output Power : 3W x2 Cable Length : 1 meter Power Supply Mode : USB power supply interface (5V) Inpedance : 4 Ohm x 2 Frequency Response : 120Hz-20KHz Cabinet Size : 65 x 80 x 100mm X2 Color : Black