B&W CM Centre. System type: 2.0 system, Recommended usage: speaker set unit, Speaker placement: Tabletop/bookshelf. RMS rated power: 120 W, Frequency range: 55 - 22000 Hz, Impedance: 8 Ом. Amplifier output power: 120 W. Connectivity technology: Wired, Speaker interface type: Terminal. Width: 480 mm, Depth: 275 mm, Height: 166.5 mm