A perfect blend of premium acoustic performance and Danish minimalist aesthetics, the C 91 II bookshelf speakers create exceptional sound in any-sized space. The Concert 9 Series II bookshelf speakers bring to life several key aesthetic changes, including high-quality wood grain finishes, full-length woven tweed grilles, sleeker chrome logos, satin aluminum trim rings, and centre plugs to seamlessly integrate into your space. A 1” Silk dome tweeter mated to an Anti-Diffraction Waveguide offers a cleaner sound throughout your space, even if you change seats. Using a Hybrid Composition Conical Cone (HCCC) woofer, the C 91 II bookshelf speakers feature an ultra-compact two-way bass reflex system designed for exceptional detail and balanced, dynamic reproduction. Impedance: 6 Ohm, Power: 100 W (RMS)/150 W (Peak)