Product NameSoundpower 280CodeP003-YDS-216 (Rev 4.0)Description- Elegant 2.0 stereo speaker set- Volume regulator- Built in amplier- Built in USB Power- Simple connect the speaker to the output of your soundcard and to powerSpecifications- Power Output: 2Wx2 RMS- Frequency Response: 20Hz-20KHz- Impedance: 4 Ohm- Dimension: 68x65x125mm- Material: Plastic- Power: USB 5V