6 1/2" 2 Way Bookshelf Speaker. Perfect for environments where space is at a premium, the XLS-6 is a two-way bookshelf, featuring a single 6.5" fiber impregnated woofer and a 1" soft dome tweeter with a proprietary waveguide.Specifications 1" Soft Dome Tweeter with Ferro Fluid 6.5" Woofer with Fiber Impregnated Cone Proprietary Mid and High Frequency Waveguide High Frequency Protection Video Sheilding Elegant Black-Ash Enclosure Performance Data: Frequency Response: 50 Hz - 20 kHz (-3 dB) 39 Hz - 20 kHz (-10 dB) Power Capacity: 125 watts (Peak ) Sensitivity in SPL: 85 dB (@ 8 ohms @ 1 meter full) Impedance: 6 ohms Crossover Frequencies: 2kHz Weight 16 lbs / 7.2 kg Dimensions (HxWxD) 15.2" x 7.9" x 11.5" 385 mm x 200 mm x 290 mm