Quadral Phase 15. System type: 1.0 system, Recommended usage: speaker set unit, Speaker placement: Floor, Tabletop/bookshelf. RMS rated power: 90 W, Frequency range: 47 - 22000 Hz, Impedance: 8 Ом. Connectivity technology: Wired. Width: 324 mm, Depth: 152 mm, Height: 199 mm