Trust SoundForce Vivo 2.1, 2.1 channels, 42 W, Black, Wired, 240 x 337 x 263 mm Trust SoundForce Vivo 2.1. Audio output channels: 2.1 channels, RMS rated power: 42 W, Product colour: Black. Connectivity technology: Wired. Package dimensions (WxDxH): 240 x 337 x 263 mm