Hercules XPS 2.0 10 ARC. System type: 2.0 system, Recommended usage: universal. RMS rated power: 2.5 W, Frequency range: 100 - 20000 Hz, Peak Music Power Output (PMPO): 5 W. Connectivity technology: Wired. Power source type: USB. Width: 65 mm, Depth: 65 mm, Height: 238 mm