KEF XQ10. System type: 2.0 system, Recommended usage: speaker set unit, Speaker placement: Floor, Tabletop/bookshelf. RMS rated power: 100 W, Frequency range: 63 - 55000 Hz, Impedance: 8 Ом. Amplifier output power: 100 W. Connectivity technology: Wired. Width: 190 mm, Depth: 293 mm, Height: 335 mm