Labtec Pulse 385. RMS rated power: 10 W, Peak Music Power Output (PMPO): 20 W, Frequency range: 55 - 20 Hz. Connectivity technology: Wired. Colour of product: Black. Audio output channels: 2.1, Subwoofer dimensions (WxHxD): 72.5 x 70 x 75 mm, Surround speaker dimensions (WxHxD): 70 x 40 x 22.5 mm