Focal Sib XL - On Wall Speaker Black 2-way bass-reflex LCR speaker. Polyfix wall bracket Dimensions (HxWxD) 19-7/8 x 5-5/8 x 4-1/4" Sensitivity (2,83 V/1 m) 91dB Frequency response (+or-3dB) 67Hz - 35kHz Finish Jet Black